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:
Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody.
Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...
Manual Operation
(Power): Press to turn the climate
control system on or off.
(Fan Control): Turn to increase
or decrease the fan speed. Adjusting the fan speed while in automatic mode places
the fan under ma ...
Drunk Driving
Death and injury associated with drinking and driving is a global tragedy.
WARNING
Drinking and then driving is very dangerous. Your reflexes, perceptions, attentiveness, and judgment can be affecte ...