Check your owner’s manual or service provider for guidance. The procedure for jump starting differs depending on whether the low voltage battery is lead-acid or lithium-ion. Open both hoods and locate the batteries. Next, connect the negative (black) clamp to the negative terminal of the donor car. Then, connect the positive (red) clamp to the positive terminal of the donor car’s battery. CAUTION Some car’s electrical and computer systems may be damaged by running the engine with a dead battery. How to Jump-Start a Car Yourself Face both vehicles towards each other and park. When using jumper cables, start by connecting the positive (red) clamp to the positive terminal of the dead battery. It may take more than one try, but do not try to restart it more than three or four times. Remove the jump leads in the reverse order they were attached, making sure to never touch the red and black. Reduce the engine speed to idle on both vehicles. Start the engine of the vehicle with the discharged battery. ![]() Rev the engine slightly by pressing on the gas pedal lightly. Start the engine of the vehicle with the good battery and let it run at idle to charge both batteries for a few minutes. This is done by jumping the auxiliary battery, a smaller 12-volt battery with the same posts as a normal car battery. ![]() Connecting this cable last, and away from the battery, will avoid sparks and potential hazards at the battery.Ĩ.Make certain everyone is clear of the engine compartments-don’t allow hands or clothing to be caught by moving engine parts.ĩ. Yes, you can absolutely jump-start a hybrid car. ![]() Your cables are now live! do not touch the remaining cable clamp metal portion to yourself or any part of the car except the negative terminal of the dead battery.ħ.Attach the other end of the negative cable to a metal section \(bracket, block, etc.\) of the engine away from any moving parts \(CAUTION: belts and pulleys can be dangerous\).
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