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:
Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnS ...
Reprogramming a Single Universal Remote Button
To reprogram any of the three Universal Remote buttons, repeat the programming instructions earlier in this section, beginning with Step 2.
For help or information on the Universal Home Remote System ...
Traction Control System (TCS)
The vehicle has a Traction Control System (TCS) that limits wheel spin. On a
front-wheel-drive vehicle, the system operates if it senses that one or both of
the front wheels are spinning or beginn ...