Supplemental Restraint System (SRS) components and functions

The SRS consists of multiple elements and sensors.

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The actual position of SRS components may differ from the illustration.

The SRS consists of the following components:

  1. Driver’s front air bag module

  2. Passenger’s front air bag module

  3. Front side air bag modules

  4. Curtain air bag modules

  5. Retractor pre-tensioner assemblies

  6. Air bag warning light

  7. SRS control module (SRSCM)/rollover sensor

  8. Front impact sensors

  9. Side impact sensors

  10. Side pressure sensors

  11. Driver’s knee air bag module

  12. Occupant detection system (Front passenger’s seat only)

  13. Front driver’s/passenger’s seat belt buckle sensor

  14. Rear retractor pre-tensioner assemblies

  15. Rear side air bag modules

Figure 1. Driver’s front air bag (1)
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The air bag modules are located both in the center of the steering wheel and in the front passenger’s panel above the glove box. When the SRSCM detects a sufficiently severe impact to the front of the vehicle, it will automatically deploy the front air bags.

Figure 2. Driver’s front air bag (2)
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Upon deployment, tear seams molded directly into the pad covers will separate under pressure to allow full inflation of the air bags.

Figure 3. Driver’s front air bag (3)
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A fully inflated air bag, in combination with a properly worn seat belt, slows the driver’s or the passenger’s forward motion, reducing the risk of head and chest injury. After complete inflation, the air bag immediately starts deflating, enabling the driver to maintain forward visibility and the ability to steer or operate other controls.

Figure 4. Passenger’s front air bag
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