See also:

Automatic Transmission
The automatic transmission has a shift lever located on the console between the seats. The mode or selected gear is shown in the instrument cluster P (Park): This position locks the drive wheels ...

Owner Checks and Services
These owner checks and services should be performed at the intervals specified to help ensure the safety, dependability, and emission control performance of your vehicle. Your GM Goodwrench® deal ...

Transmission Messages
SERVICE TRANSMISSION This message displays if there is a problem with the transmission. See your dealer. SHIFT TO PARK This message displays when the transmission needs to be shifted to P (Park). ...