Multi-Band Antenna
The antenna located on the roof of the vehicle is used for the OnStar, XM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle has these features. Keep the antenna clear of obstructions for clear reception.
If the vehicle has a sunroof and it is open, the performance of OnStar, XM, and GPS can be affected.
See also:
Heated Rear Seats
WARNING
If you cannot feel temperature change or pain to the skin, the seat heater may
cause burns even at low temperatures. See the Warning under Heated and Ventilated
Front Seats .
...
Under the Hood
Base models get a 200-horsepower, 2.5-liter four-cylinder engine with direct
injection. A 270-hp, turbo 2.0-liter four-cylinder will be optional, as will
Cadillac's familiar 318-hp, 3.6-liter V-6. ...
Automatic Dimming Rearview Mirror
The vehicle may have an automatic dimming inside rearview mirror.
Automatic dimming reduces the glare from the headlamps of the vehicle behind
you. The dimming feature and the indicator light come ...