1-Park a car with a functioning battery so its front is as close to your car's front (pointing toward one another). Leave at least 18 inches of space between and never let the cars touch.
2-For manual transmissions, place the car in neutral. For automatic transmissions, place car in park. Turn off engines, remove keys, and set the parking brake on each car.
3-Get out your jumper cables. Make sure none of the metal clamps touch one another. Notice that each set of clamps has one red clamp and one black clamp.
4-Open both car hoods. Locate the batteries and battery terminals. Terminals are usually covered in red or black, with a + or – sign on top. Make sure that you can identify which is positive and which is negative.
5-Attach the red cable clamp to the positive (+) battery terminal of the dead battery. Make sure there is a solid connection to terminal.
6-Next, attach the other red cable clamp to the functioning vehicle’s positive (+) battery terminal.
7-Now connect the black cable clamp to the working battery’s negative (-) battery terminal.
8-Do not connect the final black cable clamp to the dead battery. Instead, attach that clamp to an unpainted, metal part of the car, such as a clean nut on the engine block. This will help ensure a safe jump.
9-Start the functioning car's engine. Wait a minute or two and try starting the car with the dead battery. Sometimes it helps to rev the functioning car's engine a bit. Once both cars are started, leave them running for a few minutes.
10-To disconnect the jumper cables, start with the black cable clamps. Do not let them touch while any part of the cables is still attached to a car.
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