How do you reset computer on a 2006 Jeep liberty?

To reset the computer on a 2006 Jeep Liberty, disconnect the negative battery cable using a wrench and leave it disconnected for about 15 minutes. This will help clear any stored diagnostic trouble codes and reset the computer. After the time has passed, reconnect the negative cable and start the vehicle to allow the computer to recalibrate. Make sure to check if any warning lights reappear after resetting.