Initial Drive Information
This section provides a brief overview about some of the important features that may or may not be on your specific vehicle.
For more detailed information, refer to each of the features which can be found later in this owner manual.
See also:
Headlamp Aiming
The vehicle has a visual optical headlamp aiming system. The aim of the headlamps
have been preset at the factory and should need no further adjustment.
However, if the vehicle is damaged in a cras ...
Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes
on briefly when the engine is started. It provides information about tire
pressures and the TPMS.
When the Light Is ...
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 ...