While parked and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.
Contact your dealer if service is required.
Automatic Transmission Shift Lock Control Function Check
Park Brake and P (Park) Mechanism CheckService Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission,
axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably
service General Motors c ...
Engine Compartment Fuse Block
The engine compartment fuse block is on the driver side of the vehicle, near
the battery.
Caution
Spilling liquid on any electrical component on the vehicle may
damage it. Always keep the covers on any electrical component.
To access the fuses, press the tab at the front of the cover, and ...
Lockout Protection
When locking is requested with the driver door open and the key in the ignition,
all the doors will lock and then the driver door will unlock. This can be manually
overridden by pressing and holding
on the power door lock switch.
If Unlocked Door Anti-Lockout is turned on, the vehicle is off ...