Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle.
See also:
Power Steering
If power steering assist is lost because the engine stops
or the system is not functioning, the vehicle can be
steered but it will take more effort. ...
Rear Window Defogger
(Rear Defogger): Press to turn the
rear window defogger on or off. The rear window defogger turns off after about 10
minutes. It can also be turned off by turning the ignition to ACC/ACCESSORY or ...
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 Conn ...