Seat Belt Warning Light

WARNING: This page is about a different car, the 2002 Suzuki XL-7, 2002 Suzuki Vitara, and 2002 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Seat belt warning light does not light up.

Bulb blown, then check bulb.
IG METER fuse blown, then check fuse.
Seat belt switch faulty, then check seat belt switch.
Wiring or grounding faulty, then repair.