OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar Hands-Free calling.
See Steering Wheel Controls for more information.
On some vehicles, the Talk button can be used to dial numbers into voice mail systems, or to dial phone extensions. See the OnStar Owner's Guide for more information.
See also:
2.0 L L4 Engine Shown, 2.4 L L4 Engine Similar
1. Remove the coolant surge tank pressure cap when the cooling system, including the coolant surge tank pressure cap and upper radiator hose, is no longer hot.
Turn the pressure cap slowly counterc ...
Vehicle Data Recording and Privacy
This GM vehicle has a number of
sophisticated computers that record
information about the vehicle’s
performance and how it is driven.
For example, the vehicle uses
computer modules to monit ...
Under the Hood
A 3.5-liter V-6 produces 201 horsepower in front-wheel-drive Terrazas, and
196 hp in all-wheel-drive models. The new 3.9-liter V-6 features variable valve
timing and develops 240 hp and 240 pounds ...