To take the drivers side lock out of a 1990 4runner you will first need to remove the door cover panel. Once the door cover panel is removed you will have access to the lock and can replace it.
You have to lift the handle before you lock the door.
If your drivers side door won't open, try spraying some WD-40 into the area where the door connects with the lock inside the car. This will lubricate the lock.
Sounds like you need to replace the drivers door lock actuator.
You have to lock the car with a key. You can't push the lock down with the door open if you have power locks. They do this so that you can't lock your keys in the car.
The 2001 Chevy S 10 Blazer power door lock relay switch is located inside of the drivers side door. You will need to remove the drivers side door panel in order to access the door lock relay switch.
Remove the drivers side door panel of your Mercedes-Benz. Remove the door lock assembly retaining bolts. Remove the door lock linkage. The door lock assembly will come off.
On the drivers door armrest has the window lock switch been pressed on the left side ? If it has , then only the drivers door switches operate the power windows . Press the right side of the window lock switch
Check the side of the dash when you open your drivers side door.
Take off door panel and on the inside of the door is a sliding latch pull it out this will release the lock. all the rest is just accessed the same way inside the door frame just detach all bolts and pull out.
The first and cheepest thing to check is the fuses. located on the side of the dash by the passengers door, another is under the hood on top of the battery. The next would be lock switch.It is easily installed, no tools needed. The drivers side power switch is a master switch. This means that power feeds from the drivers lock switch to the passenger door. If your key fob will unlock and lock the doors but the switch will not I would replace the drivers door lock switch.
inside of the drivers side door