Volkswagen Red Warning Lights - Fasten Safety Belt Warning Light
The driver or one of the passengers have not fastened their seat belts.
The control lamp lights up to remind the driver to fasten their seat belt.
When starting to drive, if the vehicle's speed exceeds approx. 25 km/h (15 mph) and the seat belts are not fastened or are unfastened while driving, a warning sound will be heard for a few seconds. In addition, the warning lamp on the instrument cluster display flashes.