| Checking inertia reel (locking mechanism) |
| The inertia reel has two locking functions. |
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| The first locking function is triggered by the belt being jerked out of the reel (belt extension acceleration). |
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| Pull belt out of inertia reel with firm jerk. |
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| No locking effect - renew complete seat belt including belt buckle. |
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| If difficulties are experienced when belt is extended or retracted, first check whether position of inertia reel has been altered. |
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| The second locking function is triggered by a change in vehicle speed (vehicle-dependent locking function). |
WARNING | For safety reasons, the road test should be carried out on a traffic-free stretch to ensure that other road users are not endangered. |
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| Accelerate vehicle to 20 km/h and then press foot brake firmly (emergency braking). |
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| If braking does not activate seat belt locking mechanism, renew complete seat belt including belt buckle. |
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