3. Move the guide block up and down to adjust the seat belt to a proper position; The pretightening force function for the seat belt * The consequences of driver and passenger not wearing seat belts. 4. Loosen the regulator guide block; Seat belts of certain models are equipped with a pretensioner. The purpose of this device is to ensure the occupant's body is fastened with the seat belt in the event of a collision. When the severity of the collision accident reaches a certain degree, the pretensioner may be started, and the retractor will tighten the safety belt to slow down the forward movement of the passengers.
If the tightening force exceeds a certain limit, the force limiting device will relax the seat belt appropriately and reduce the force acting on the body. It is a wrong understanding but many people think that in the event of a mild collision, you can support their bodies with their own hands to avoid injury. 5. After adjusting the height, pull the seat belt firmly to check whether the regulator is locked up. Safe Operation Instructions After the vehicle collision, the driver and passenger who do not wear seat belts will still move forward at the collision speed due to inertia.
At this time, the vehicle does not move at the same speed as the drivers and passengers, which may cause injuries to the drivers and passengers. When the pretensioner is triggered, it may emit white smoke, which is normal. It does not indicate fire, so don't worry. 10 Seat belt equipped with preloading function can only be used once. After the pretensioner detonated, the seat belt must be replaced with a new one. When the seat belt pretensioner is triggered, it will release a small amount of smoke and dust, which is normal, so there is no need to worry. The driver must not adjust the height of the seat belt when the vehicle is running.
The seat belt pretensioner will become very hot after being detonated, so do not touch relevant parts within a few minutes after the pretensioner is detonated.