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:
Cargo Cover (Wagon)
The cargo cover can be used to
cover items in the cargo area.
To install the cargo cover:
1. Hold the cartridge with the
pull-out shade toward the rear
of the vehicle.
2. Align the cartridg ...
Footnotes — Maintenance
Schedule Additional Required
Services — Severe
a) Vehicles with different size front
and rear tires do not have tire
rotation. See Tire Rotation.
b) Or every two years, whichever
comes first.
c) Check all fuel and vapor lines
and hoses f ...
If the System Needs Service
If the navigation system needs service and the steps listed here have been followed
but there are still problems, see your dealer for assistance. ...