1. Disconnect the wire from the negative terminal of the battery.
2. Remove the B-pillar trim (see "Removal and installation of interior trim").
3. Disconnect connector 2 of the wiring harness, unscrew screw 1 securing the impact sensor and remove it.
4. Install the sensor in the reverse order of removal.
Attention! Install the sensor so that the arrow on the sensor points towards the body pillar (as shown in the photo).