- Make sure that the voltages of the 2 batteries are the same. Most batteries and charging systems are of the 12 volt variety.
- Pull the jumping vehicle (with the good battery) into a position so the jumper cables can reach the dead battery and that vehicle's engine. Make sure that the vehicles Do NOT touch.
- Place the transmissions/transaxle of both vehicles in Neutral (MT) or P (AT), as applicable, then firmly set their parking brakes.
If necessary for safety reasons, the hazard lights on both vehicles may be operated throughout the entire procedure without significantly increasing the difficulty of jumping the dead battery.
- Turn all lights and ac