Suzuki Wagon R Manual page 3549

8C-4 INSTRUMENTATION/DRIVER INFORMATION
On-Vehicle Service
Low Fuel Warning System
Operation
This light comes ON for 4 seconds after ignition switch is turned
to ON position, and goes out.
However, in insufficient fuel level, this light indicates low fuel level
by the following operation.
Low fuel warning light operation
Low fuel warning
light operation
OFF
ON
Flashing
NOTE:
Lighting low fuel warning light will go off when fuel is
refilled up to 10 litre (2.2 gal/lmp) fuel level.
System Inspection
1) Confirm that low fuel warning light comes ON for 4 seconds
after ignition switch turned to ON position, and goes out.
2) Remove fuel pump assembly referring to "Fuel Pump
Assembly (With Fuel Filter, Fuel Level Gauge, Fuel Pressure
Regulator and Fuel Cut Valve)" in Section 6C.
3) Check fuel sender gauge referring to "Fuel Sender Gauge" in
this section.
4) Connect fuel pump connector (1) to fuel pump (2).
5) Connect negative (–) cable to battery.
6) Turn ignition switch to ON position.
Fuel level in fuel tank
6.0 litre (1.32 gal/Imp) or more
2.9 – 6.0 litre (0.64 – 1.32 gal/Imp)
0 – 2.9 litre (0 – 0.64 gal/Imp)