. 2006-2010 hummer h3. 2009-2010 hummer h3t programming instructions important: all transmitters which are to be recognized by the remote control door lock receiver (rcdlr) must be programmed in a single programming sequence. If the system is placed in program mode it will erase all previously programmed transmitters upon the receipt of.
When I am ready to exit the car and hit the lock button on the door when I close the door the lights blink once and there is no horn.If the car is not locked when I shut the door there is no blinking of the lights or horn.If I lock it with the fob or if I just make sure the car is locked after getting out and hit the fob the lights blink and the horn does not blow.The only time the horn blows is when using the fob and press the lock button more than once once the lights blink twice the horn blows.The more times I hit the lock on the fob the more times the horn blows.