Get into your vehicle and put the key into the ignition and turn to start. If your car doesn’t start, check the connections and try starting your car again. If you are still having problems, let the other car run for a few minutes with the cables still connected to both batteries. Then try starting your car again. When your vehicle starts let it run for at least 10 minutes to recharge. Shutting off your vehicle right after a successful jump will not give your vehicle’s battery enough time to charge and you will need to do the whole procedure over again.