When all the doors are closed and the key is in the on position moving the shift lever out of park will automatically lock all doors.
Shifting does not lock doors.
If one door doesn t work but others do the problem could be a blown fuse.
A fuse is blown.
Looking through the manual it s not really clear by the wording if they should or shouldn t.
Step 2 mode 2 cancels the automatic locking and unlocking function so that they do not operate at any time.
Turn the ignition back to the 3 on position.
This function is set to on before delivery.
Turn ignition switch on 3.
Insert the tip of a tube of powdered graphite into the keyhole.
Turn the ignition from the 3 on to the 1 off lock position.
Insert your key and turn it a few times to work the graphite into.
When i stop and shift back into park they don t unlock as they do on my 03 tahoe.
Press the power door unlock control three times.
When the key is in the ignition and in the on position and when all doors are shut they will automatically lock when you move the shift lever out of park.
How to fix a door that will not lock things you will need.
Again if one door doesn t work but others do the problem could be with the door lock solenoid.
The complete lockset including the doorknob.
The switching is completed when the hazard lamp blinks.
This is a cheap and easy fix.
If you have the option to cancel this option and lock the doors manually then you know the signal input wire s have loose connection and are the culprits.
Doors not locking automatically when shifting and moving in drive.
The solenoid is bad.
Close all doors below door switch off 2.
Mode 1 this mode connects the shift position with automatic door locking but notably not unlocking.
Mode 2 this mode simply turns off the feature.
Press the power door unlock control on the door panel three times.
Some factory and aftermarket alarms lock the doors as you shift out of park or the car goes faster than 7 10 mph and unlock when shift to park or turn off ignition.
If your doorknob mechanism fails internally you can t repair it.
Press and hold the door lock and unlock switch for 5 seconds or more in the unlock direction within 20 seconds after turning the power supply position on.
Squeeze the tube to inject a few puffs of graphite into the hole.
Check the draft.
The door locks will lock unlock to confirm programming mode is entered active.
2000 clk 430 cab joined oct 28 2004 565 posts.
Replacing the fuse will correct the problem.
Replacing it may require removing the car door panel.
Discussion starter 1 nov 29.
