OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationDriving on Snow or Ice
Drive carefully when there is snow or ice between the tires and the road, creating
less traction or grip.
Wet ice can occur at about 0°C (32° F) when freezing rain begins to fall, resulting
in even less traction. Avoid driving on wet ice or in freezing rain until roads
can be treated with sal ...
Blizzard Conditions
Being stuck in snow can be a serious situation. Stay with the vehicle unless
there is help nearby.
If possible, use Roadside Assistance. See Roadside Assistance Program on page
13-5.
To get help and keep everyone in the vehicle safe:
Turn on the hazard warning flashers.
Tie a red cloth t ...
Mirror Adjustment
Exterior Mirrors
Manual Outside Mirrors
If equipped, move the control up, down, or side to side to adjust the mirror.
See Manual Mirrors on page 2-13.
Power Outside Mirrors
If equipped, move the selector switch to L (Left) or R (Right) to choose
the driver or passenger mirror.
M ...