Front pyrotechnic belt tensioners, triggering

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Observe safety regulations for handling pyrotechnic belt tensioners → Disposal of pyrotechnic belt tensioners .
Belts can be disposed of with commercial refuse after removal.
Always wash hands after handling ignited belt tensioners.

Remove rear bench seat → Rear seat bench, assembly overview .
Remove rear seat backrest → Rear seat backrest, assembly overview .
Remove side trim → Rear side trim, assembly overview .
Remove floor panel anchorage point → Front anchorage point for outer floor panel .

Cut off belt above latch plate approx. 20 cm below belt reel.
Disconnect connector from belt reel and connect wiring harness (part no. 8D1 971 259).
Cut connector off at other end and insulate both cable ends.
Slit cable sheath until ends of cables are at least 30 cm apart.

Make sure there is no-one in the vehicle.
Close doors and open windows.
Trigger gas generator using wiring harness and external battery, which is positioned outside of vehicle.
Ventilate vehicle adequately.