See also:

Transmission Messages
MANUAL SHIFT This message displays when the automatic transmission is in manual mode. See Manual Mode   for more information. TRANSMISSION HOT IDLE ENGINE Notice: Do not drive the vehic ...

Nav (Navigation)
Press CONFIG to enter the configure menu options, then press CONFIG again, repeatedly until Nav is selected or press the Nav screen button. Voice Prompt Press the Voice Prompt screen button to c ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...