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, or damage.
The brake lamps need to be checked periodically to ensure that they light when braking.
- With a multi–point inspection, your dealer can check the lamps and note any concerns.
See also:
Heated Mirrors
The heated outside rearview mirrors turn on when the rear window defogger is
on.
(Rear Window Defogger): This button
is on the climate control panel.
See “Rear Window Defogger” under Dual Automa ...
Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps and MapQuest.com
to their Turn-by-Turn Navigation or screen-based navigation system. When ready,
the directions will be downlo ...
Special Application Services
. Severe Commercial Use Vehicles Only: Lubricate chassis components every 5
000 km/3,000 mi.
- Have underbody flushing service performed once a year. ...






