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What follows is the series of videos we’ve been putting together to help with electric vehicle jump start procedures if the vehicle’s 12-volt start battery dies.
It is not widely known that every EV features a 12-volt battery that essentially runs everything except the electric motor(s). The high-voltage battery handles that, as well as providing the recharging of the start battery.
But that start battery’s life is as limited as it is in an internal combustion engine vehicle. In fact, while most attention is paid to the high voltage battery and how long it will last and how expensive it will be to replace, it is far more likely that the 12-volt battery will cause a driver a massive headache and fail well earlier than its high voltage counterpart.
Fortunately, the vast majority of EVs can be jump started, and the videos below will get you through the process.
And, if you prefer, our YouTube playlist is here.
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Manufacturers covered are Cadillac, Chevrolet, Ford, Hyundai, Kia, Polestar, Tesla, and Volvo.
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The material on these pages is provided for information sharing purposes only and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business, nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.
Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.
Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.
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The author has 30+ years of automotive experience and has assembled the most extensive collection of symbols and warning lights anywhere (over 1,000!) and can help you open and start any keyless start car with a dead key fob battery. BA, St. Joseph’s, ME: MS, RPI, NY
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