I have factory remote keyless entry for 2007 gmc yukon denali (key fob thing)...the panic button & lock button work, but the unlock and remote start button do not. I changed the battery yesterday, still not working...could this be electrical/ fuse?? weird how 2 buttons work and 2 do not?
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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