Unlock by opening a door, function - GF80.20-P-3004GH

MODEL 163 

If a door on a locked vehicle is opened from inside, the status of the central locking does not change, i.e. the other doors are not unlocked. Also, the anti-theft alarm (ATA) is not deactivated.

Function up to 31.08.2002: 

When the driver's door is opened, the fuel filler flap is unlocked if the driver's door has been locked previously. The all-activity-module (AAM) (N10) recognizes that the driver's door is unlocked by the right front door CL microswitch (M14/5s1). It then unlocks the driver's door group and fuel filler flap electrically

Function as of 01.09.2002: 

When the driver's door is opened the fuel filler flap is unlocked if the driver's door has been locked previously. The all activity module (AAM) (N10) recognizes that the driver's door is unlocked by the right front door CL microswitch (M14/6s1). It then unlocks the driver's door group and fuel filler flap electrically