Subaru Impreza Manuals 2015 Impreza Owner's Manual | Page 52

1-22 Seat, seatbelt and SRS airbags/Front seatbelt pretensioners & Seatbelt with shoulder belt and lap belt pretensioners NOTE This section is applicable to the front passenger’s seatbelt in XV CROSSTREK models. seatbelt restrains the front seat occupant more effectively. 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. Once the seatbelt pretensioner has been activated, the seatbelt pretensioner remains locked. Consequently, the seatbelt cannot be pulled out and retracted and therefore must be replaced. NOTE 1) 2) Seatbelt retractor assembly (shoulder belt pretensioner) Lap belt pretensioner On the front passenger’s side in XV CROSSTREK models, the shoulder belt pretensioner is supplemented 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 pretensioners are not designed to activate in minor impacts or in rear impacts. . When a rollover accident occurs, the lap belt pretensioner does not activate; however, as the curtain airbags deploy, the shoulder belt pretensioner is activated. At this time, the driver’s side seatbelt pretensioner and passenger’s side shoulder belt pretensioner activate simultaneously. . In cases of frontal collisions, the following components will operate simultaneously. – Seatbelt pretensioner for driver – Seatbelt pretensioner for front passenger – SRS frontal airbag for driver – SRS frontal airbag for front passenger* – SRS side airbags (both sides) (if an offset frontal collision occurs) – SRS curtain airbags (both sides) (if an offset frontal collision occurs) *: This does not operate if the occupant detection system deactivates airbag operation. For details, refer to “Front passenger’s SRS frontal airbag” F1-47. . In cases of side collisions, the following components will operate simultaneously. – SRS curtain airbag (impacted side) – SRS side airbag (impacted side) (when both the satellite safing sensor and any of the center pillar impact sen sors/front door impact sensors sense an impact force) – Seatbelt pretensioner for driver (when both the satellite safing sensor and the driver’s side front door impact sensor sense an impact force) – Seatbelt pretensioner for front passenger (shoulder belt pretensioner only) (when both the satellite safing sensor and the front passenger’s side front door impact sensor