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thats what i thought , as well but i noticed mine isnt doing it , have to get it checkedShould switch off when you open the door
Thankyou for this information was very usefull !The gregorys VS workshop manual says-
Automatic lamps off delay.
1) Turn the ignition on. Switch the park lamps on and close the drivers door.
2)Hold the courtesy lamp switch on and turn the ignition off.
3)Open the drivers door, this starts the delay period.
4)Wait the desired delay period and release the courtesy lamp switch. The delay period is now set and the park lamps will now go out.
NOTE- The delay period will not be set if the vehicle is moving. The maximum delay period is 120 seconds and the default delay period is 30 seconds.