OnStar Overview
EmergencyExterior Lamp Controls
The exterior lamp control is to the left of the steering column on the instrument
panel.
There are four positions:
(Off): Briefly turn to this position
to turn the automatic lamp control off or on again.
AUTO (Automatic): Turns the headlamps on automatically at normal brightness,
togethe ...
When It Is Time for New Tires
Factors such as maintenance, temperatures, driving speeds, vehicle loading, and
road conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell when it is time for new tires.
Treadwear indicators appear when the tires have only 1.6mm (1/16 in) or less
of tread rem ...
Map Data Updates
The map data in the vehicle is the most up-to-date information available when
the vehicle was produced. The map data is updated periodically, provided that the
map information has changed.
For questions about the operation of the navigation system or the update process,
contact the GM Nav Dis ...