All the four doors lock automatically at random while driving on 1999 Volkswagen Passat

Once the doors get automatocally locked they can be opened with the lock / unlock switch on the driver side door

by in New York, NY on January 03, 2013
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1 answer
ANSWER by , January 03, 2013
sounds like you have automatic door locks which lock automatically when the car is in drive and the vehicle is travling at a specific speed which is usually 10MPH. Check your owners manual if you want to deactive this option.