The battery is charged but the security alarm icon is showing on the dashboard. I have disconnected the negective battery cable and reconnected, hit the panic button on the fob, tryed to lock the doors and unlock by the fob, lock and unlock by the key but the car still will not start. If I put the key in the ignition, to the start location, the automatic door locks will work but not when the car is off.
SOURCE: HOnda Accord EX 1998 ALARM
Have you tried putting your Valet (original keys) into the ignition and turning it to the II position?
SOURCE: Yukon xl rear door won't unlock and there is no manual lock.
I fixed mine by using fine steel wool to clean the brass contacts located at the right upper door frame on the right door as viewed from the rear of the vechicle.
SOURCE: how come on a 2002 GMC Denali if you lock your key inside
i would say the theft module saw the door trying to be open without the door lock or fob first, once the door lock button was pushed it shut down, it new doors were trying to be unlocked in a theft manner, once shut down it needs time to reset or needs to see ignition cycle with key and read chip in key, smart system isnt it, good luck.
Testimonial: "I thought it was something like that, so I guess using the car door wedge set this into motion and the guy with the keys inside the vehicle is screwed"
SOURCE: hit panic alarm on fob accidentally and wont turn off
reset the computer by disconecting the posative cable for 3min reconect it should cure the problem
if not have a disnostic run most auto parts will do this for free
hope this helps
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SOURCE: 2007 gmc yukon denali wont unlock w/ keyfob
Check the buttons.. I have an 06 Grand Prix with the Remote starter on the top and it seems that the conductor on the buttons worn out.. Take the keyfob apart, pull the rubber buttons off the chip, lick your finger and touch the place where the unlock (right side of the fob) would be. That should unlock your doors. I just did it with mine. I would just buy another fob on ebay and change the buttons out.. Hope this works
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