Calling for Assistance
When calling Roadside Assistance, have the following information ready:
• Your name, home address, and home telephone number.
• Telephone number of your location.
• Location of the vehicle.
• Model, year, color, and license plate number of the vehicle.
• Odometer reading, Vehicle Identification Number (VIN), and delivery date of the vehicle.
• Description of the problem.
See also:
Volume Control
VOL/ (Volume/Power): Turn to
adjust the volume.
(Phone/Mute): For vehicles with
OnStar®, press and hold to mute
the infotainment system. Press and
hold again, or turn the VOL/
knob t ...
Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:
Treadwear 200 Traction AA Temperature A
The following information rel ...
Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during
severe operating conditions. See Engine Overheating. ...
