Two problems related to warning light on have been reported for the 1999 Volkswagen Passat. The most recently reported issues are listed below.
While driving the air bag warning light continuously illuminated on the dashboard. As a result, air bags became inoperative, and wouldn't deploy when needed. Dealership inspected vehyicle at least 10 times, and lately dealer charged to the consumer every time vehicle had a problem.
Air bag warning light stayed illuminated while driving. This was caused by a bad sensor that rendered the air bags inoperative.