High/Low—Beam Headlamps (Uplevel)
The high/low beam headlamps on the uplevel are High Intensity Discharge (HID) and should be replaced at the dealer.
See also:
Headlamp Aiming
The headlamp aiming system has been preset at the factory.
If the vehicle is damaged in an accident, the aim of the headlamps can be
affected and adjustment could be necessary.
It is recommende ...
Storing and Deleting Phone
Numbers
The system can store up to
30 phone numbers as name tags
in the Hands-Free Directory that is
shared between the Bluetooth and
OnStar systems.
The following commands are used
to delete and s ...
Additional Maintenance and Care
Your vehicle is an important investment and caring for it properly may help
to avoid future costly repairs. To maintain vehicle performance, additional
maintenance services may be required. It is re ...