How to Relearn key 2002 Malibu?

Answer 1

Here is that procedure.... Turn ON the ignition, with the engine OFF. Attempt to start the engine, then release the key to ON, vehicle will not start. Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF. Turn OFF the ignition, and wait 5 seconds. The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK. Start the engine, the vehicle has now learned the Passlock Sensor Data Code and/or password. Tech JK ---------------