Auxiliary battery malfunction mercedes - 1980 posts · Joined 2009. #3 · Mar 9, 2021. I believe your model and year has three batteries. Starter under the hood. Consumer battery in the trunk (largest of the three). Auxiliary battery under the driver side dash (smallest of the three - fits in the palm of hand.) When you say Auxiliary battery malfunction warning - how was that ...

 
Apr 12, 2023 · Auxiliary battery malfunction is a common issue in Mercedes-Benz vehicles. It can be caused by a faulty battery, voltage converter failure, issues with PDC sensors, or the type of battery used. To fix the issue, you may need to replace the battery, repair the voltage converter, check the PDC sensors, or upgrade to a newer type of battery. . Fetch receipts

Several symptoms can indicate the auxiliary battery in your Mercedes is malfunctioning: Dead battery/no start – If the auxiliary battery is completely drained, it …Mercedes Eggleton-Garcia, vice president of global community relations for Mastercard, talks about financial lessons she learned as a child and shares advice for teaching kids abou...The auxiliary battery is the one in the front. Normal battery life span between 14 to 18 months. Tell tale sign of battery failing: sudden dim of lights, double cranking on start, jerky ride. Change of …The Jeep power train control module (PCM)--or computer, as it is known in layman’s terms--controls the vehicle’s ignition, emission and fuel systems, along with other auxiliary sys...Did you get the dreaded "Auxiliary Battery Malfunction" alert in your vehicles instrument cluster screen? In this DIY how to video, we'll show you how to loc...In summary, the of auxiliary battery malfunction in Mercedes can be attributed to an aging battery, electrical system issues, and a faulty charging system. By …The dreaded "Auxiliary Battery Malfunction" just showed up on my 2017 GLC43. I did a Google search and there doesn't seem to be any information on the actual location of the auxiliary battery for my car. I did see that Mercedes has put it in a large number of hiding spots, from front to back, on other models.28 Apr 2023 ... Puzzled about the "Auxiliary Battery Malfunction" alert in your vehicles instrument cluster screen? In this DIY how to video, we'll show you ...The Auxiliary Battery Malfunction warning message indicates that something is wrong with the secondary battery system on your Mercedes-Benz vehicle. These batteries – sometimes known as a capacitor – are responsible for secondary functions, such as running electrical components. When the … See more28 Apr 2023 ... Puzzled about the "Auxiliary Battery Malfunction" alert in your vehicles instrument cluster screen? In this DIY how to video, we'll show you ...I had it happen once. In my case it was because of incorrect storage. When you disconnect the main battery, you must also disconnect the aux battery by removing ...#mercedes #stopstart #batteryHas your Auxiliary Battery gone flat? Your ECO Stop-Start function no longer working?In this video, I show you how to remove and...Jul 20, 2022 · In a Mercedes-Benz vehicle, a malfunctioning auxiliary battery could have been caused by one of several different things. A dying main battery is a typical contributing factor. The auxiliary battery can take over once the primary battery shows signs of failing, which will ultimately result in the death of both batteries. 28 Apr 2023 ... Puzzled about the "Auxiliary Battery Malfunction" alert in your vehicles instrument cluster screen? In this DIY how to video, we'll show you ...Hi, I've got the above warning showing in my '16 plate C63. When I started the car this morning, the warning was in red, but after driving for a short while it went to white. Oddly, the stop start function is working fine and the car is running perfectly. Does the warning appear if the Aux...2013 E Class Mercedes Benz Auxiliary Battery Malfunction location and Replacement.6 posts · Joined 2015. #1 · Mar 11, 2016. Hi all-. Just had a weird experience! I was stopped at a red light and my car seemed to stall - all the lights went off and the engine shut down. I was able to restart the car and drive it fine. I parked for about 30 minutes and when I started the car again, I got an "Auxiliary Battery Malfunction ...14 Aug 2020 ... In this video I test and replace the auxiliary battery in a 2003 Mercedes E320. This battery is 9 years old and it has lost its ability to ...2016 C300 4matic sedan. Auxiliary Battery Malfunction. Just got it fixed. Message appeared couple of weeks ago and took the car for service at local Mercedes dealership. Everything was fine during that visit. This weekend message appeared again and stayed on. Got it fixed at local dealer ship for $380 plus tax.I have an auxiliary battery malfunction message. I have watched several online videos about changing the battery. The part is only $50. ... BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The site includes MB … Here are the steps needed to replace an old Mercedes-Benz E 350 auxiliary battery with a new auxiliary battery. For this task, you will need a 10mm wrench. Remove the housing that covers the auxiliary battery. Use a 10mm wrench to loosen the ground line bolt and remove it from the battery. Remove the positive ground line from the battery. Use a 10mm socket wrench to remove the negative battery terminal, followed by the positive battery terminal. From there, remove the battery bracket using the same tool. …A Mercedes-Benz auxiliary battery replacement typically costs between $200 and $300. Labor expenses are predicted to range from $50 to $100; these estimates are subject to change. You might want to take your car to a Mercedes repair facility or replace the entire auxiliary battery if this does not solve the issue.In this video I answer these questions: What is the Auxiliary battery used for? Why does it fail? How to replace it? If you'd like to jump right to the answe...3 Mar 2024 ... Welcome back to our channel! In this video we show you how to replace the Auxiliary Battery on a Mercedes CLA250 & GLA 250 Part# ...Hi, I've got the above warning showing in my '16 plate C63. When I started the car this morning, the warning was in red, but after driving for a short while it went to white. Oddly, the stop start function is working fine and the car is running perfectly. Does the warning appear if the Aux...Feb 15, 2022 · Mercedes-Benz Auxiliary Battery Malfunction comes on when the secondary (auxilary) battery fails and no longer holds a charge. The auxilary battery is located on the side of the dashboard or under the front passenger seat. www.youcanic.com. Like. This is an older thread, you may not receive a response, and could be reviving an old thread. 19 May 2020 ... Comments33 ; How to replace Mercedes auxiliary battery! Fixing Auxiliary Battery Malfunction dashboard error. DriveTalkCars · 122K views ; Ford's .....Aug 21, 2019 · 511 posts · Joined 2016. #1 · Aug 21, 2019. So, 8 weeks after the 3-year warranty expired, Red Ken decided to invoke the Law of Sod and throw up a "Auxiliary Battery Malfunction" warning. Ever the Drama Queen, he decided to flash this warning up on the dash in red letters and accompany it with a repeated warning sound to fully focus my ... 1. The vehicle won’t crank. Having a battery that is dead will result in you not being able to crank the car when needed. Usually, the car will run once it has been jumped off, but will quickly die back out after it is turned off. This is due to the fact that while it is running, the alternator of the vehicle is giving it the charging it needs. Here are the steps needed to replace an old Mercedes-Benz E 350 auxiliary battery with a new auxiliary battery. For this task, you will need a 10mm wrench. Remove the housing that covers the auxiliary battery. Use a 10mm wrench to loosen the ground line bolt and remove it from the battery. Remove the positive ground line from the battery. Phoenix dealer didn't offer any explanation other than they replaced the auxiliary battery and cleared the codes. I had that malfunction show up on my dash. The small cigarette pack sized battery in left rear corner of my driver seat box had one of the terminals come loose. Plugged in securely and malfunction went away.Aux battery is a primary source of power for the transmission gear selector. When it’s time to replace it, do it. Last time I had one, Batterys + Bulbs (US chain of battery specialists) said “yeah, this is one battery we’d love to sell you but you need to go to Mercedes”. Take care of your Mercedes-Benz, and it will take care of you.Randall J. Owner. BS engineering. 17,110 satisfied customers. My wife's ml350 2015 started displaying. Auxiliary battery. Auxiliary battery malfunction never had that appear … read more.14 posts · Joined 2016. #7 · Oct 22, 2023 (Edited by Moderator) I had an Auxiliary Battery Warning. In my 2016 Cargo Metris, that aux. battery is located under the passenger seat (with a 15A fuse above the battery), and accessible from the cargo area! (i know, there is another battery under the same passenger seat, which is accessible …Auxiliary battery malfunction Can Mercedes's auxiliary battery be charged? The nice thing about auxiliary batteries is that they are rechargeable. You can use a 12 Volt 2.28 H battery. In general, if your auxiliary battery runs out of charge or if it's charged drops significantly, the alternator will try to charge it.19 May 2020 ... Comments33 ; How to replace Mercedes auxiliary battery! Fixing Auxiliary Battery Malfunction dashboard error. DriveTalkCars · 122K views ; Ford's .....Auxiliary battery malfunction Can Mercedes's auxiliary battery be charged? The nice thing about auxiliary batteries is that they are rechargeable. You can use a 12 Volt 2.28 H battery. In general, if your auxiliary battery runs out of charge or if it's charged drops significantly, the alternator will try to charge it.Car: Mercedes E220 diesel - 2013 Whilst driving along, the onboard computer came up with a message saying "Auxiliary battery malfunction". Not knowing what the Auxiliary battery was, i decided to ignore it and hope it would resolve itself. Needless to say it didnt, the message came up every time i turned my car on.🔧🔧 AMAZON STORE: https://www.amazon.com/shop/drewfixit 🔧🔧In this video I demonstrate how to replace the Auxiliary Battery in a ML-Class Mercedes. This ...2016 C300 4Matic Auxiliary Battery Malfunction. This is my first Mercedes and I am constantly learning about new ways to engineer automobiles. I love this car but this morning I received the "Auxiliary Battery Malfunction" message when I started her. This made me nervous so I performed quick search on the web and determined its ok to …Click the button below to schedule a Mercedes-Benz battery replacement service, or give us a call at 844-211-2105 to speak with a service advisor. Schedule Mercedes-Benz …Aug 30, 2020 · After about 2 weeks a new message appeared. "Auxiliary Battery Malfunction". Replaced the auxiliary battery as this is what affects the start/stop function. ome tv Battery World AUD $195 installed (10 minute job). Mercedes Dealer AUD $326 - part only The battery is located in the front passengers footwell against the fire wall. May 7, 2021 · Get Mercedes Repair Work Done at EurAuto Shop in Plano TX. We specialize in service and repair of high-end and exotic European vehicles. When you entrust your car to us we’ll give it the care and respect it deserves. Make an appointment today or call (214) 552-4194 to discuss your automotive needs. MAKE AN APPOINTMENT. Auxiliary battery malfunction is a common issue in Mercedes-Benz vehicles. It can be caused by a faulty battery, voltage converter failure, issues with PDC sensors, or the type of battery used. To fix the issue, you may need to replace the battery, repair the voltage converter, check the PDC sensors, or upgrade to a newer type of …gbarringer. 1106 posts · Joined 2016. #2 · Jan 16, 2021. Do not know the size but it is located in the floor in front of the passenger seat. You pull back the carpet from the firewall to get to the panel to remove the battery and fuses. The previous owner of the 2019 GLA250 Black/Black that replaced the 2016 GLA250 Black/Black.Aug 21, 2019 · 511 posts · Joined 2016. #1 · Aug 21, 2019. So, 8 weeks after the 3-year warranty expired, Red Ken decided to invoke the Law of Sod and throw up a "Auxiliary Battery Malfunction" warning. Ever the Drama Queen, he decided to flash this warning up on the dash in red letters and accompany it with a repeated warning sound to fully focus my ... gbarringer. 1106 posts · Joined 2016. #2 · Jan 16, 2021. Do not know the size but it is located in the floor in front of the passenger seat. You pull back the carpet from the firewall to get to the panel to remove the battery and fuses. The previous owner of the 2019 GLA250 Black/Black that replaced the 2016 GLA250 Black/Black.4 Oct 2021 ... Hi everyone, I have a 2021 Navion with a 2019 Mercedes Sprinter chassis that has been in the shop for a auxiliary battery malfunction 3 ...Your Mercedes Eclass W213 E220d Mar 29, 2021 #1 I have a 2017 E220d, the message on screen was auxiliary battery malfunction. After help from this forum and others I have just fitted a new unit which I purchased from Ebay £34 with 2 year guarantee. The location is the passenger footwell as stated and takes only 30 mins to do the job, I …Buy Auxiliary Battery - https://amzn.to/2G0JkYlBuy Adjustable Wrench - https://amzn.to/2TubjVIWhen an Auxiliary Battery in your Mercedes isn't working, some ...Several symptoms can indicate the auxiliary battery in your Mercedes is malfunctioning: Dead battery/no start – If the auxiliary battery is completely drained, it …The auxiliary battery malfunction message has popped up in my 2014 e class. Looks like I need a new aux battery. I popped my reg number into euro car parts and Halfords but neither list the aux battery. Is Mercedes the best place to purchase a replacement or can anyone recommend anywhere else I...10 Sept 2019 ... In this video I will show you how to retrofit pretty much any 12 volt battery in order to replace a malfunctioning Auxiliary Battery in a ...Mercedes Benz C200 C220 C250 C300 C400 Voltage Converter Auxiliary Battery Installation Guide:Auxiliary battery is responsible for running and powering addi...A malfunction on the Mercedes-Benz dash that says, “Stop the vehicle shift to P, leave the engine running,” means that there’s low battery voltage. However, the cause of the low voltage can be various things, forcing you to perform a complete diagnosis to figure out what’s wrong. The Stop Vehicle Leave Engine Running alert can happen on ...24 Dec 2018 ... Aux battery malfunction msg !! Weird and multiple things hapening with the engine off!! In this case the liftgate started to act up, ...1. The vehicle won’t crank. Having a battery that is dead will result in you not being able to crank the car when needed. Usually, the car will run once it has been jumped off, but will quickly die back out after it is turned off. This is due to the fact that while it is running, the alternator of the vehicle is giving it the charging it needs.In the pre-facelift model, the vehicle will not be able to engage the P gear when the main battery discharges. The cost to fix the auxiliary battery malfunction depends on the type of battery and the generation of the E 350. On average, it can cost between 200-300 USD but if the auxiliary battery is not replaced soon then it can …23 Apr 2023 ... Mercedes-Benz E350 (Main/Aux) - New Battery Install · Jak odpalić Mercedesa z uszkodzonym kluczykiem. · Volvo xc60 · DIY Mercedes Auxiliary Bat...Auxiliary Battery Malfunction FAQs in Mercedes-Benz Vehicles Indications of an Auxiliary Battery Failure. When a Mercedes-Benz auxiliary battery starts to fail, certain signs typically emerge:. Dashboard Warning: A telltale malfunction message or battery symbol may illuminate on the vehicle’s dashboard.; Electrical Issues: Features like start …Auxiliary Battery Malfunction. Bought a GLC250d, 2015 with 48k miles, first week of September 2022 (from a car dealer, not Mercedes direct). Auxiliary battery malfunction came up on the dashboard within 2 weeks. Dealer offered to change it for free ofc, was changed within a month. Within 1 week of it being changed, it came up again.14 Aug 2020 ... In this video I test and replace the auxiliary battery in a 2003 Mercedes E320. This battery is 9 years old and it has lost its ability to ...Jan 20, 2021 · Buy YOUCANIC Pro Scanner https://www.youcanic.com/scanner/Get Factory Service Repair Manuals & Specs https://www.youcanic.com/manualsAsk Car Questions & Get ... First, open your vehicle's hood and locate the auxiliary battery. It's usually found on the right side of the engine, close to the firewall. Once you've found it, disconnect the negative terminal by loosening the nut with a wrench. Do the same with the positive terminal, and then remove the battery hold-down bracket.I have a 2014 CLS 550. Last night the auxiliary battery malfunction message came on. What do I need to do? Does this affect day to day driving? Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix with Mercedes. The Mercedes Mechanic I'm going to connect you with knows all the tricks and shortcuts.Mercedes Mechanic: Lou Palomino. yes as it depends on if you have the eco start stop function basically. there is a possibility you have the small aux under the drivers side of the dash as well. located behind the fuse box. see photo. if do you have eco then you most likely do not have this one under the dash.Oct 3, 2023 · The dash display now has a “aux battery malfunction” that just appeared. oh great. My preliminary google research indicates this could be more of a voltage regulator issue than the actual auxiliary battery. Getting a replacement battery is straightforward (MBPartA000982960864) Car: Mercedes E220 diesel - 2013 Whilst driving along, the onboard computer came up with a message saying "Auxiliary battery malfunction". Not knowing what the Auxiliary battery was, i decided to ignore it and hope it would resolve itself. Needless to say it didnt, the message came up every time i turned my car on.@jmc my SA just got back to me. Batteries fully covered. They'll have a loaner for me on 26th and for that visit they're going to change the timing cover gasket (big job, been weeping a couple years), weatherstripping for sunroof (tightened it last fall for wind noise, developed creaking noise from tightening, and then when real cold the wind noise …All Mercedes vehicles made since 1959 have 12-digit chassis numbers. The first three numbers tell you the body style; the second three numbers indicate the vehicle model; the next ...Randall J. Owner. BS engineering. 17,110 satisfied customers. My wife's ml350 2015 started displaying. Auxiliary battery. Auxiliary battery malfunction never had that appear … read more.2016 C300 4Matic Auxiliary Battery Malfunction. This is my first Mercedes and I am constantly learning about new ways to engineer automobiles. I love this car but this morning I received the "Auxiliary Battery Malfunction" message when I started her. This made me nervous so I performed quick search on the web and determined its ok to …0:00 / 9:44. How to fix Auxiliary Battery Malfunction on Mercedes S550 w221. Jamie's Garage. 615K subscribers. Subscribed. 2.5K. 98K views 2 years ago. In this video I answer these...Auxillary Stop Start Battery location W246 2016. I'm in UK and having problems with intermittent stop-start function in my B Class cd180. It is almost certainly due to low mileage (13,000 in 3 years).Having read all the posts I am pretty sure that the auxillary battery needs charging but I cannot find it. I have seen the main battery under ...Service, parts, cost & recommendations from YourMechanic. Your definitive guide to Auxiliary Battery Replacement. How It Works. Pricing. Flat rate pricing based on labor time and parts. Reviews. Trusted mechanics, rated by thousands of happy car owners. ... 2009 Mercedes-Benz: C63 AMG$409: $262.69: $145.99-10%: $370.19: ... Engine Speed Input ...6-Speed. 65 posts · Joined 2011. #10 · Oct 1, 2016 (Edited) I just changed the aux battery in my 2012 E350 today and it's there in the location shown in the post above. Here is a picture of the back side of the cover showing the anchor points along with a picture of the aux battery. Like.Several reasons can typically cause “Auxiliary Battery Malfunction” in Mercedes. Some common causes include a bad auxiliary battery itself, malfunctioning battery relay, faulty PolySwitch fuse, bad battery control module, and CAN communication issues. Read the entire content if you want more details about the “Auxiliary Battery ...The auxiliary battery in a vehicle plays a crucial role in powering various electrical components when the main battery is unable to provide sufficient energy. However, like any other component, auxiliary batteries can experience malfunctions, leading to potential issues and inconvenience for vehicle owners. In this article, we will explore …Apr 12, 2023 · Auxiliary battery malfunction is a common issue in Mercedes-Benz vehicles. It can be caused by a faulty battery, voltage converter failure, issues with PDC sensors, or the type of battery used. To fix the issue, you may need to replace the battery, repair the voltage converter, check the PDC sensors, or upgrade to a newer type of battery. The auxiliary battery is the one in the front. Normal battery life span between 14 to 18 months. Tell tale sign of battery failing: sudden dim of lights, double cranking on start, jerky ride. Change of …The push to start and ECO modes were working fine so I ignored it. After I did my first oil change I reset the service indicator and the “auxiliary battery malfunction” message disappeared. I noticed that when I hit a red light and my ECO mode is on, even under optimal driving conditions my engine starts back up after 35 seconds even if my ...The Auxiliary Battery Malfunction warning message indicates that something is wrong with the secondary battery system on your Mercedes-Benz vehicle. These batteries – sometimes known as a capacitor – are responsible for secondary functions, such as running electrical components. When the … See moreAuxiliary battery problems can result in a variety of problems, including difficulty starting the engine, dim lights, and broken electrical components. Your car’s electrical systems and operations may have issues because of a faulty auxiliary battery. The radio, GPS, PDC sensors, entertainment system, and start/stop capabilities are a few of ...Remove the housing that covers the auxiliary battery. Use a 10mm wrench to loosen the ground line bolt and remove it from the battery. Remove the positive ground line from …Main Vs. Auxiliary Battery. Symptoms Of Bad Auxiliary Battery Malfunction. 1. Erratic Start-Stop Function. 2. Electrical Systems Failing When the Car is Idle. 3. Warning …10 Nov 2022 ... Comments8 ; MAJOR Common Issues On The CLS 550 Its REALLY BAD. Redline Racing Garage · 66K views ; How to fix “Auxiliary Battery Malfunction” ...If you've had it up to your eyeballs with ineffective FM transmitters and don't have a tape adapter in your car stereo anymore, student Donn Morrison details how to add an auxiliar...Here we’ll know about the bad auxiliary battery symptoms. A dead auxiliary battery will render your vehicle’s electrical systems and safety features inoperable. Among these features are a radio, a compass, an audio system, parking sensors, lane departure warnings, and blind spot monitoring. Having trouble getting started or stopping is the ...This video will show how to replace auxiliary battery on 2016 Mercedes GLC 300. Very easy to do and the part is very cheap on Amazon. Please be advised that ...

The auxiliary battery in a vehicle plays a crucial role in powering various electrical components when the main battery is unable to provide sufficient energy. However, like any other component, auxiliary batteries can experience malfunctions, leading to potential issues and inconvenience for vehicle owners. In this article, we will explore …. Brake fluid replacement cost

auxiliary battery malfunction mercedes

14 Aug 2020 ... In this video I test and replace the auxiliary battery in a 2003 Mercedes E320. This battery is 9 years old and it has lost its ability to ...Best. Asstractor • 4 yr. ago. Your vehicle uses a feature called Eco start/stop. This feature shuts the engine off at stop lights/signs and during extended idling and then restarts the engine instantly when needed. The system uses an additional auxiliary battery to help make it all happen. This battery is failing/has failed.On Saturday moaning I had the "Auxiliary Battery Malfunction" warning on the central display flash up in red accompanied by an annoying bleep, then the bleep stopped and the warning change to white but continued to flash up. ... The converter had to come from Mercedes Benz Exeter and cost £86.18 plus the dreaded, the total was …The (aux batt malfunction) warning is misleading, as your car doesn't have an aux battery, it has a large capacitor which Mercedes call a Voltage Converter. This is located in the passenger footwell below the glove box. ... Quote "Auxiliary Battery Failure" Mercedes Early failures (within the warranty period) are very common. Quote.TOP 80 BEST LIFE HACKS FOR MERCEDES W212https://youtu.be/f52NDZQrjWwInstallation & Activation Mercedes-Benz Xentry DAS PassThru 2021 for J2534 Devices - http...98848. Select Your Vehicle. Save Changes. Advertisement. Mercedes-Benz Battery Replacement Near Me. Near Quincy, WA. 98848. 3 Matches. View: List. Grid. 159 Valley …Did you get the dreaded "Auxiliary Battery Malfunction" alert in your vehicles instrument cluster screen? In this DIY how to video, we'll show you how to loc...O. odschepe Discussion starter. 13 posts · Joined 2011. #1 · Aug 22, 2017. Hello all, once in a while I get the 'aux battery malfunction' message after starting my 2010 E550. I read in another thread that this is not necessarily related to the battery needing replacement, but that there was a service bulletin or similar about this issue that ...Check battery age/condition – If the auxiliary battery is over three years old, replacement may be needed due to its shorter lifespan. Inspect the battery for any cracked casing or corroded/loose terminals. Load test battery – Use a battery load tester to apply a brief high-draw current to test whether the auxiliary battery maintains a voltage …O. odschepe Discussion starter. 13 posts · Joined 2011. #1 · Aug 22, 2017. Hello all, once in a while I get the 'aux battery malfunction' message after starting my 2010 E550. I read in another thread that this is not necessarily related to the battery needing replacement, but that there was a service bulletin or similar about this issue that ...Oct 5, 2021 · Of the youtube videos, this is the closest (1) How to fix Auxiliary Battery Malfunction on Mercedes S550 w221 - YouTube - The CLS 550 doesn't have fuses over the side entry, otherwise its pretty much the same. 4. I ended up having to Velcro the battery holder in place with a large double sided velcro cord. Hi, i hope this helps you replace your auxiliary battery to your Mercedes Benz CLA, you can buy the factory part # A 000 982 96 08 or after market at Amazon....The Mercedes M-Class, which includes the ML350, ML550 and ML63, has an advanced driving control system, which is to be expected from almost any high-line vehicle. Unfortunately, wi...Nov 8, 2023 · In the case of a malfunctioning auxiliary battery, a reset may be required. Thankfully, Mercedes has simplified this process, making it straightforward. To begin, turn off the engine of your car, open the hood, and locate the auxiliary battery, typically positioned near the main one. Proceed by disconnecting the negative cable from the battery ... .

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