Air Bag Systems: Description and Operation

Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS)

NOTE: Some postal vehicles are NOT equipped with the following components:
- Front passenger seat
- Occupant Classification Sensor (OCS) and module
- Passenger air bag deactivation indicator
- Passenger dual-stage air bag module
- Passenger side air bag
- Passenger side impact sensor
- Passenger safety belt buckle and buckle switch
- Passenger safety belt retractor pretensioner
- Passenger safety belt tension sensor

The Supplemental Restraint System (SRS) is designed to provide increased collision protection for front seat occupants, in addition to that provided by the 3-point safety belt system. Safety belt use is necessary to obtain the best occupant protection and to receive the full advantage of the SRS.

The serviceable air bag and safety belt pretensioner SRS components are shown in the following illustrations.



Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) Components - Illustration 1 of 2











Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) Components - Illustration 2 of 2