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:
Adjusting the Speakers (Balance/Fade) (AM-FM Radio and AM-FM Radio with CD)
To adjust the balance or fade:
1. Press or press the
knob until the speaker control label displays.
2. To adjust the setting, do one of the following:
• Turn the knob.
• Press either SEEK ...
California Perchlorate Materials Requirements
Certain types of automotive applications, such as airbag initiators, safety belt pretensioners, and lithium batteries contained in Remote Keyless Entry transmitters, may contain perchlorate materials. ...
XM™ Radio Messages
XL (Explicit Language Channels): These channels, or any others, can be blocked at a customer's request, by calling 1-800-929-2100 in the U.S. and 1-877-438-9677 in Canada.
XM Updating: The encryption ...