Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicate with GMC by dialing:
1-800-462-8583. TTY users in Canada can dial 1-800-263-3830.
See also:
Engine Coolant Temperature Gauge
Metric
English
This gauge measures the temperature of the vehicle's engine. If the indicator
needle moves to the hot side of the gauge toward the colored line, the engine is
too hot. If ...
Headlamp High/Low-Beam Changer
Headlamp High/Low&-Beam Changer:
Push the turn signal/lane change lever away from you and release, to turn the high
beams on. To return to low beams, push the lever again or pull it toward yo ...
Safety System Check
Now and then, check that the safety belt reminder light, safety belts, buckles, latch plates, retractors, and anchorages are all working properly.
Look for any other loose or damaged safety belt syst ...





