With the other end connect the black wire to a ground source and connect the red wire to the metal rod of the screwdriver.
Flat battery door locked.
Solution 1 courtesy of bmw is to insert the key into either of the front doors and turn the key slowly while lifting the outside door handle slowly and simultaneously.
Now you can poke the screwdriver onto the solenoid power bolt.
The most common way to do this is to use jumper cables connected to a screwdriver.
Insert the key into the door lock and turn towards the back of the car to unlock your ford.
Now we will open the hood with a screwdriver tested on bmw e34 the length of the screwdriver should be no less than indicated in the picture.
If the lock had been locked on you may need to lift up and pull the door handle when turning the key so as to tighten the key in the lock.
Once you slide over the cover you will be able to see the key hole.
There is a mechanical link that barely works to unlock the door this way.
If your metal key won t unlock the driver s door try inserting the key in and out a few times.
If you are ever locked out of your mercedes because of a dead fob battery or dead car battery this video will show you how to open your locked mercedes vehicle.
Insert the metal key into the hole in the bottom of the driver s door handle.