Satellite Radio
Vehicles with an XM™ Satellite Radio tuner and a valid XM Satellite Radio subscription can receive XM programming.
See also:
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. ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...
Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) can make it easier for others to see the front
of your vehicle during the day.
Fully functional daytime running lamps are required on all vehicles first
sold in Canada ...