If you can not unlock them with a key, you will have to call a locksmith.
If the key will not work in the door or the liftgate, you will need to call a locksmith or break a window.
Unlock the doors or trunk with the key.
Keep jiggling the steering wheel back and forth.
Use the remote door lock to lock the doors, then unlock, then lock. The alarm should be reset. If not get in the vehicle, lock all the doors with them closed, unlock them, relock them walla alarm reset!
In order to unlock the radio of a 2000 Sonoma, first start the car. Then turn on the radio. Using the minute and hour buttons, enter the code that you already have. Then, press the AM/FM button.
it's a security feature to prevent you from getting locked out with your keys still in your car while it is still running
It's a problematic system. The only way to disarm the factory alarm is to unlock the doors. There is no "easy" fix on they're system.
Resynchronize it by holding down both the lock & unlock buttons at same time for at least 7 seconds. Doors should lock & unlock once to confirm that resynchronization worked.
how do you unlock sercurity system on 2000 Cadillac Seville
Yes it does.
sounds like a ground problem to me..