OnStar Additional Information
See also:
Road Sensing Suspension
The Road Sensing Suspension (RSS) feature provides superior vehicle ride and
handling under a variety of passenger and loading conditions.
The system is fully automatic and uses a computer controll ...
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. ...
Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control
equipment. For the inspection, the emission system test equipment is connected to
the vehicle’s Data Link Connec ...






