However if the 4 digit password gets lost the system becomes inaccessible effectively taking cds hostage.
How to program door lock on radio gm.
Press and hold the door unlock button on the driver s side door.
Your radio will display a second three digit code.
Put the key in the ignition but do not turn it even slightly.
Take your car to a qualified gm mechanic or car radio technician to have them diagnose the source of the problem.
You will now have a six digit code.
This is a step by step instructional video on programming a new door lock remote for your gm vehicle including the chevy traverse buick enclave gmc arcadia.
This system is designed to lock the radio from use in the event of a loss of power either from being disconnected or when the battery loses its charge.
Programming the keyless entry remote for gm vehicles made before 2007.
Gm theftlock radios are designed to lock up automatically when the vehicle s battery dies or becomes disconnected though an electronic malfunction could also cause the theftlock function to activate.
Get in the vehicle and close all doors.
The theftlock sound system was designed by general motors gm to discourage criminals from breaking into vehicles to stealing radios and is used in many of the company s automobiles including chevrolet models.
Write the second code down.
Contact your local gm dealer and give them the six digit code.
Part 3 of 3.
Many dealers will give you your radio code for free while others may charge a small.
Wait for the doors to lock and then unlock.