See also:

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 the v ...

ROTATE CONTROL TO OFF POSITION
If the vehicle has the keyless access system, this message displays when the ignition is in ACC/ACCESSORY and the shift lever has just been moved to P (Park). The message displays as a rem ...

Power Seats
A. Seat Position Control B. Seatback Adjustment Control C. Lumbar Adjustment Control To adjust a power seat, if equipped: - Slide control (A) forward or rearward, and up or down to adjust ...