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Roll-Over Bar System

The New Beetle Cabriolet has an active roll-over bar system behind the rear head restraints, providing additional occupant safety in the event of the vehicle rolling over.
The roll-over bar system consists of two separate housings fitted behind the rear seats, each fixed by six coupling points between the twin rear panels. Thanks to their efficient sectional design and full bolt fixing, the roll-over bars are able to absorb much higher forces than previous systems.
In the same way that the crash sensors detect a possible roll-over or collision (at the front, rear or side), the safety system is activated by the airbag control unit.
A release system is triggered, causing the supporting sections to shoot up by a maximum of 265 millimetres within 0.25 seconds. The sections are locked in place in their end positions and, together with the extremely rigid front windscreen frame, provide protection for all four seats. If the convertible top is up, the roll-over bar makes spring-loaded contact with the headlining. If the car does not roll over, the bars can be pushed back into their housings by hand. This helps to avoid repair costs which might otherwise be incurred.