Low fuel warning light
The low fuel warning light illuminates when the tank is nearly empty [approximately 2.6 US gal (10.0 liters, 2.2 Imp gal)].
It only operates when the ignition switch is in the “ON” position.
NOTE
This light does not turn off unless the tank is replenished up to an internal fuel quantity of approximately 4.0 US gal (15 liters, 3.3 Imp gal).

Promptly put fuel in the tank whenever the low fuel warning light illuminates. Engine misfires as a result of an empty tank could cause damage to the engine.
See also:
To enter the passive mode
If you wish to program the passive arming
mode, have it done by your SUBARU
dealer. ...
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Effect vehicle modifications made for persons with disabilities may have on
SUBARU advanced frontal airbag system operation (U.S. only)
Changing or moving any parts of the front seats, rear seat, seatbelts, front bumper, front side frame, radiator panel, instrument panel, combination meter, steering wheel, steering column, tire, suspe ...
