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:
Engine Coolant Heater
Your vehicle may have an engine coolant heater.
In very cold weather, 0°F (−18°C) or colder,
the engine coolant heater can help. You will get
easier starting and better fuel economy durin ...
Satellite Radio Antenna
For vehicles with XM satellite radio
service, the antenna is located on
the roof of the vehicle. Keep the
antenna clear of obstructions for
clear radio reception. ...
Cruise Control
The cruise control buttons
are located on the left side
of the steering wheel.
: On/Off.
+ RES: Press to accelerate or resume speed.
SET–: Press to set or decrease the speed.
(Cancel): P ...
