Subaru Impreza Manuals 2018 Impreza Owner's Manual | Page 54

Seat, seatbelt and SRS airbags/Seatbelt pretensioners & Front passenger’s seatbelt S01AF09 The front passenger’s seatbelt has a shoulder belt and a lap belt pretensioner. 1-23 which limits the peak forces exerted by the seatbelt on the occupant in the event of a collision. The adaptive force limiter will select a reducing load to the suit body size of occupant as detected by the occupant detection sensor. When a seatbelt pretensioner is activated, an operating noise will be heard and a small amount of smoke will be released. These occurrences are normal and not harmful. This smoke does not indicate a fire in the vehicle. 1) 2) Seatbelt retractor assembly (shoulder belt pretensioner and adaptive force limiter) Lap belt pretensioner Once the seatbelt pretensioner has been activated, the seatbelt pretensioner re- mains locked. Consequently, the seatbelt cannot be pulled out and retracted and therefore must be replaced. On the front passenger’s side, the shoulder belt pretensioner is supplemen- ted by a lap belt pretensioner, which is located at the base of the center pillar. Like the shoulder belt pretensioner, the lap belt pretensioner instantaneously pulls in the belt to eliminate slack if a certain level of frontal collision force is detected. As a result, the seatbelt restrains the front seat occupant more effectively. The front passenger’s seatbelt preten- sioner includes a tension reducing device – CONTINUED –