This is how to program your 2007, 2008, 2009 and 2010 Chevrolet Avalanche remote fob for free:
(There is even a video below to show you how easy it can be done)
Switch ignition ON.
Repeatedly press vehicle information button Fig. 2 [A] until PRESS TO RELEARN REMOTE KEY is displayed.
Press set/reset button Fig. 2 [B] until REMOTE KEY LEARNING ACTIVE is displayed.
Programming mode activated, proceed as follows:
Press and hold LOCK and UNLOCK buttons on first remote transmitter simultaneously for 15 seconds.
Wait for acoustic signal (indicates correct programming).
Repeat above procedure to program remaining remote transmitters.
Switch ignition OFF to exit programming mode.
Remote transmitters can also be programmed using diagnostic equipment.
NOTE: A maximum of 8 remote transmitters can be programmed.
