Fuel
Use of the recommended fuel is an important part of the proper maintenance of your vehicle.
To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gasoline advertised as TOP TIER Detergent Gasoline.
See also:
Hill and Mountain Roads
Driving on steep hills or through mountains is different
than driving on flat or rolling terrain. Tips for driving
in these conditions include:
• Keep the vehicle serviced and in good shape.
...
Dual Automatic Climate Control System
For vehicles with this system, it controls the heating, cooling, and
ventilation.
Non-eAssist Vehicles
A. Power
B. Driver Temperature Control
C. Defrost
D. Fan Control
E. Air Delivery Mode C ...
Using Voice Commands
During a Planned Route
Cancel Route
1. Push . System responds:
“OnStar ready,” then a tone. Say
“Cancel route.” System
responds: “Would you like to
cancel route directions to your
destination?”.
2. Sa ...