It is behind the back door and have a switch.
If the locks and rear window hatch on a 1998 Chevy Blazer lock and unlock by themselves, there is probably a problem with the fuse or a short somewhere. The locks are supposed to lock when the vehicle gets put in gear. Perhaps the system that tells the locks when to lock is not working properly.
on a 97 lumina / Monte Carlo, there is a black wire with a plastic connectere in the right hand side (passenger) of the trunk. ground it out by touching it to metal, bam! you will hear the door locks reset
I think you have to push the 'unlock' button twice in order to unlock the doors.
The Volt has an auxiliary battery back-up that allows the electronic door locks to still operate.
A faulty the door lock sensor will cause the door locks to lock and unlock repeatedly. The door lock sensor is located below the dashboard on the drivers side.
if your cig light is not working as well, the fuse is in the glove box top and last in that row, had the same problom.
it' the very top top right right Had 15 amp fuse in the glove box.
I had trouble with my manual locks and then I noticed that where you put your key in on the passenger side was not straight up and down, but turned to one side. As soon as I inserted the key and put it straight up and down the locks started working fine.
If you are referring to the auto locks, there may be a blown fuse. Check the owner's manual for the specific location of the fuses for your model year.