Customer Assistance Offices (Mexico)
To contact the Customer Assistance Center (CAC), use the phone numbers listed in this section.
Customer assistance is available Monday through Friday, 08:00 to 20:00 hours, and Saturdays from 08:00 to 15:00 hours.
All e-mail inquiries to the Customer Assistance Center (CAC) should be sent to: cac.gmc@gm.com.
Mexico
From Mexico City
5329-0812
From Other Mexico Locations
01-800-466-0812
United States and Canada
1-866-466-8191
Costa Rica
00-800-052-1005
Guatemala
1-800-999-5252
Panama
00-800-052-0001
Dominican Republic
1-888-751-5301
El Salvador
800-6273
Honduras
800-0122-6101
See also:
Using the “Delete All Name Tags” Command
This command deletes all stored name tags in the Hands-Free Calling Directory and the OnStar Turn-by-Turn Destinations Directory, if equipped.
To delete all name tags:
1. Press and hold for two sec ...
Adjusting the Speakers (Balance/Fade) (All Except AM-FM Radio and Radio with
CD)
BAL/FADE (Balance/Fade): To adjust the balance or fade:
1. Press the knob until the speaker control tabs display.
2. Highlight the desired speaker control tab by doing one of the following:
• Pr ...
Using Voice Commands During a Planned Route
Cancel Route
1. Push . System responds:
“OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?” 2. Say “Yes. ...





