Operation CHARM: Car repair manuals for everyone.

Service Procedure

The horn chirp can be DISABLED or ENABLED using the following procedure:
To DISABLE (cancelling) the horn chirp feature, press and hold the transmitter LOCK button for a minimum four seconds. While pressing LOCK button in, press the UNLOCK button. The horn chirp feature will not function until the above procedure is repeated. To ENABLE (reinstate) the horn chirp feature, use any one of the four key fob transmitters and reverse the above procedures. It will ENABLE the horn chirp feature for all transmitters.