Hazard Flashers
WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
The hazard function turns on all the direction indicators with the hazard flasher switch. The flashing frequency is normally 90 flashes per second.
IMPORTANT:
When changing a bulb, use one with the right output otherwise the components could be damaged.