OnStar Services

See also:

Yukon Denali in the Market
If you have a boat, trailer or anything that needs to be towed, the GMC Yukon Denali is a great way to travel. It's even better if you have a family. Yes, the country is in a panic over gas prices ...

Trailer Sway Control (TSC)
Non-hybrid vehicles with StabiliTrak have a Trailer Sway Control (TSC) feature. If the vehicle is towing a trailer and the system detects that the trailer is swaying, the vehicle brakes are applied wi ...

New for 2011
There are only marginal changes for the 2011 GMC Canyon, including the availability of the latest generation of OnStar — GM's in-truck information and telecommunications service — Bluetooth wi ...