Hyundai Staria US4 2021 Owner's Manual page 760

Maintenance
Low urea warning message
Warning message will appear in four
steps on the cluster according to urea
solution level in the tank.
First warning
The SCR ( ) warning light and 'Low
urea' warning message appears on the
instrument cluster when urea level is low.
Refill as soon as possible.
Second warning
If urea is not refilled after the first
warning, the SCR (
'Refill urea' warning message appears on
the instrument cluster when urea level is
low. Refill as soon as possible.
9-100
OIK090113L OIK090113L
OIK090114L OIK090114L
) warning light and
Type A Type A
OIK090115L OIK090115L
Third warning
The SCR ( ) warning light and 'Refill
urea in 000 km or vehicle will not start'
(or 'Refill urea in 000 km. Otherwise
vehicle will not start') warning message
appears on the instrument cluster when
urea solution tank is nearly empty. Refill
immediately.
The displayed driving distance (000 km)
and actual driving distance may vary
depending on driving habits and driving
conditions.
Type A Type A
OIK090106L OIK090106L
Fourth warning
The SCR ( ) warning light and 'Refill
urea tank or vehicle will not start' (or
'Refill urea tank. Otherwise vehicle will
not start') warning message appears
on the instrument cluster when urea
solution tank is empty. The vehicle
cannot be restarted once the engine is
turned off. Refill immediately.
Type B Type B
OUS4091075E OUS4091075E
Type B Type B
OUS4091076E OUS4091076E