Unable to Connect to OnStar Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push 
to try the
call again or try again after driving a
few miles into another cellular area.
See also:
Automatic Dimming Feature
The vehicle may have an automatic
dimming driver outside mirror.
Automatic dimming reduces the
glare of the headlamps behind you.
See Power Mirrors. ...
Transportation Options
Warranty service can generally be completed while you wait. However, if you are
unable to wait, GM helps to minimize inconvenience by providing several transportation
options. Depending on the cir ...
Windshield and Wiper Blades
Clean the outside of the windshield with glass cleaner.
Clean the rubber blades using a lint free cloth or
paper towel soaked with windshield washer fluid or a
mild detergent. Wash the windshield ...