OnStar®
Keys and LocksBackup Lamp Replacement
Preliminary Procedures
Remove the rear compartment sill trim plate. Refer to Rear Compartment
Sill Trim Plate Replacement.
Disconnect the electrical harness connector from the backup lamp socket.
Back Up Lamp Nut (Qty: 4)
Caution: Refer to Fastener Caution in the Preface ...
Exit Lighting
The headlamps, taillamps, parking lamps, back-up lamps, and license plate lamps
come on at night, or in areas with limited lighting, when the key is removed from
the ignition.
The dome lamps also come on when the key is removed from the ignition. The exterior
lights and dome lamps remain on a ...
Battery Disconnect Warning
Warning: Unless directed otherwise, the ignition and start switch
must be in the OFF or LOCK position, and all electrical loads must be
OFF before servicing any electrical component. Disconnect the negative battery
cable to prevent an electrical spark should a tool or
equipment come in contact ...