While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.
On all vehicles, the ignition key should come out only in LOCK/OFF.
Contact your dealer if service is required.
Automatic Transmission Shift Lock Control Function Check
Park Brake and P (Park) Mechanism CheckRemote Control Door Lock Receiver Replacement
Remote Control Door Lock Receiver Replacement
Callout
Component Name
Preliminary Procedure
Remove the windshield outside moisture sensor cover. Refer to
Windshield Outside Moisture Sensor Cover Replacement.
...
Clearcoat Repair without Repainting
Repair Procedure
Thoroughly wash the repair area with Liquid Wash and Wax GM?€‰P/N?€‰1052870
or the equivalent.
Environmental damage may be corrected. Refer to Environmental Fallout
(Acid Rain) or Rail Dust Damage Repair.
Important: Follow all of the instruc ...
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF
in each shift lever position.
For automatic transmission vehicles, the ignition should turn to LOCK/OFF
only when the shift lever is in P (Park).
For manual transmission vehicles, the ignition should turn ...