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:
Driving on Hills
Driving safely on hills requires good judgment and an understanding of what the
vehicle can and cannot do.
WARNING
Many hills are simply too steep for any vehicle. Driving up hills can cause the
...
Replacement Bulbs
For replacement bulbs not listed here, contact your dealer. ...
Washing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight.
Notice: Do not use petroleum based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, metal, or p ...