How To Reset Car Computer By Disconnecting Battery. The surefire way to reset a car computer is to have a spare fuse available and cut power. The steering angle sensor will have to undergo a relearn procedure;
Open the hood and disconnect the battery. You’ll be able to locate the correct ones by following the fuse diagram on the fuse box panel cover. How to reset car computer by disconnecting battery.remove the fuse box cover and then pull the “radio” and/or “foot lights” fuses.