2010 Chevrolet Avalanche Owner's Manual - Page 262

Relearn Remote Key To access this display, the vehicle must be in P (Park). This display allows you to match Remote Keyless Entry (RKE) transmitters to your vehicle. This procedure will erase all previously learned transmitters. Therefore, they must be relearned as additional transmitters. To match an RKE transmitter to your vehicle: 1. Press the trip odometer reset stem until RELEARN REMOTE KEY displays. 2. Press and hold the trip odometer reset stem for three seconds. The message REMOTE KEY LEARNING ACTIVE will display. 3. Press and hold the lock and unlock buttons on the first transmitter at the same time for about 15 seconds. On vehicles with memory recall seats, the first transmitter learned will match driver 1 and the second will match driver 2. A chime will sound indicating that the transmitter is matched. 4. To match additional transmitters at this time, repeat Step 3. Each vehicle can have a maximum of eight transmitters matched to it. 5. To exit the programming mode, you must cycle the key to LOCK/OFF. 4-54