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Central Locking query?

506 views 0 replies 1 participant last post by  MercedesMack 
#1 ·
Hello W140 folk. Just a quick question. I have a working switch-blade remote. This unlocks all the doors to the car perfectly, however should I enter the key into the lock and attempt to unlock the car only the driver door unlocks.

I am aware of the turn twice practice. Just wondering why the central locking only works via the button? Even the central lock button in the car locks all doors but does not unlock them.

This nuisance was most apparent when I went to get petrol and the petrol cap was remaing locked as remote had run out of battery.

Any thoughts friends?
 
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