GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Optra 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 SIR Component Views
Figure 1:

SIR (North America Vehicles)
Object Number: 1540531 Size: LF
(1)Inflatable Restraint Steering Wheel Module Coil
(2)Inflatable Restraint Steering Wheel Module
(3)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(4)Passenger Airbag Module
(5)OC (Occupant Classification) Sensor
(6)Inflatable Restraint Side Impact Sensor (SIS) - Driver, Passenger or Inflatable Restraint Front End Discriminating Sensor - Right or Left
(7)Side Airbag Module
Figure 2:

SIR (Except North America Vehicles)
Object Number: 1291795 Size: LF
(1)Inflatable Restraint Steering Wheel Module Coil
(2)Inflatable Restraint Steering Wheel Module
(3)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(4)Passenger Airbag Module
(5)Inflatable Restraint Side Impact Sensor (SIS) - Driver, Passenger or Inflatable Restraint Front End Discriminating Sensor - Right or Left
(6)Side Airbag Module
Figure 3:

Seat Belt Switch, Seat Belt Pretensioner - Driver and Passenger
Object Number: 1480999 Size: MF
(1)Seat Belt Switch
(2)Seat Belt Pretensioner - Driver and Passenger