2013 Subaru Impreza Owner's Manual - Page 47

Seat, seatbelt and SRS airbags 1-21 Front seatbelt pretensioners The driver 's and front passenger 's seatbelts have a seatbelt pretensioner. The seatbelt pretensioners are designed to be activated in the event of an accident involving a moderate to severe frontal collision. must be replaced. NOTE . Seatbelt pretensioners are not designed to activate in minor frontal impacts, in side impacts or in rear impacts. . In the case of rollover accidents - XV CROSSTREK models: As the curtain airbags deploy, the driver 's side seatbelt pretensioner a n d f r o n t p a s s e n g e r 's s i d e shoulder belt pretensioner are activated simultaneously. - Except XV CROSSTREK models: Seatbelt pretensioners are not activated. . The following four components operate simultaneously. - Seatbelt pretensioner for driver - Seatbelt pretensioner for front passenger - SRS frontal airbag for driver - SRS frontal airbag for front passenger* *: This does not operate if the occupant detection system deactivates airbag operation. For details, refer to "Front passenger's SRS frontal airbag" F1-44. & Seatbelt with shoulder belt pretensioner NOTE This section is applicable to the following components. . Except XV CROSSTREK models: - Driver 's side seatbelt - Front passenger 's side seatbelt . XV CROSSTREK models: - Driver 's side seatbelt The pretensioner sensor also serves as the frontal SRS airbag sensor. If the sensor detects a certain predetermined amount of force during a frontal collision, the front seatbelt is quickly drawn back in by the retractor to take up the slack so that the belt more effectively restrains the front seat occupant. 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 retractor remains locked. Consequently, the seatbelt can not be pulled out and retracted and therefore . Pretensioners are designed to function on a one-time-only basis. In the event that a pretensioner is activated, - CONTINUED -