Vehicle Data
See also:
Radio Messages
Calibration Error: The audio system has been calibrated for the vehicle from the factory.
If Calibration Error displays, it means that the radio has not been configured properly for the vehicle and i ...
Driving on Hills
Driving safely on hills requires good judgment and an understanding of what the vehicle can and cannot do.
WARNING
If the vehicle has the two-speed automatic transfer case, shifting the transfer cas ...
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 vehic ...





