Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information.
See also:
Engine Oil
To ensure proper engine performance and long life, careful attention must be
paid to engine oil. Following these simple, but important steps will help protect
your investment:
Always use engin ...
Transmission
Driver Shift Control (DSC)
Driver Shift Control (DSC) allows you to shift an automatic transmission
similar to a manual transmission. To use the DSC feature:
1. Move the shift lever to the left ...
Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
- Signs that the headlamps need
attention include dimming, failure
to light, cracking, o ...