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.cadillac@gm.com.
Mexico
From Mexico City
5329-0816
From Other Mexico Locations
01-800-466-0816
United States and Canada
1-866-466-8195
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:
Door Locks
To lock or unlock the doors from the outside, press or on the Remote
Keyless Entry (RKE) transmitter.
To unlock a door from the inside, pull once on the door handle to unlock it,
and a second tim ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...