Subaru Impreza Manuals 2013 Impreza Owner's Manual | Page 48

Seat, seatbelt and SRS airbags Front seatbelt pretensioners must be replaced. NOTE 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. & 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 1-21 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 . 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. . Pretensioners are designed to function on a one-time-only basis. In the event that a pretensioner is activated, – CONTINUED –