See also:

Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to: United States GMC Customer Assistance ...

Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. Notice: When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body c ...

Key and Lock Messages
REPLACE BATTERY IN REMOTE KEY This message displays when the battery in the Remote Keyless Entry (RKE) transmitter needs to be replaced. ...