Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
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 ...
TPMS Malfunction Light and
Message
The TPMS will not function
properly if one or more of the TPMS
sensors are missing or inoperable.
When the system detects a
malfunction, the low tire warning
light flashes for about one minut ...
General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts
and GM-trained and supported service people.
Genuine GM parts have one of these marks:
...