1. Turn the ignition key to the "ON" position but do not start the engine.
2. Press and hold the gas pedal all the way down for at least 10 seconds.
3. Release the gas pedal and turn the ignition key to the "OFF" position.
4. Wait at least 30 seconds.
5. Start the engine.
This should reset the computer and clear any error codes that may have been stored. If the car still does not start, you may need to take it to a mechanic to have the battery checked or replaced.
