General information
It is not permitted to modify spring characteristics, brake system and steering unit. Exceptions must be approved by Volkswagen AG before the modification is carried out.

Note:
Changing the steering and braking forces for vehicle conversions for disabled persons is not possible.

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Airbag

If the attachment manufacturers modify the structure of the vehicle, e. g.

• modifications of the front section of the vehicle
• mounting of belt retractors if the B-pillars are left out
• modifications of the floor structure in the area of the airbag trip device
• modifications of the seats, resulting in altered kinematics of the passengers
• modifications of the airbag-system cabling
• modifications of the system design

the safe functioning of airbag and belt retractor can no longer be guaranteed. These component parts may only be used after having been approved by Volkswagen AG.

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Emission behaviour (exhaust gas/noise)

If parts are to be modified that are producing exhaust gas and noise (e. g. engine/injection pump/control unit, exhaust system/catalytic converter, air suction installation, tyres, etc.), it is required to perform exhaust gas and noise measurements. It is also necessary to adhere to the current versions of the specific national directives and regulations.

For this reason, parts which are installed as standard to reduce emissions should not be removed or changed. Otherwise the license may expire.