Honda CBR1000ST 2019 Owner's Manual page 53

Reserve Fuel Mode
When the low fuel indicator appears the
available driving distance and amount of
remaining fuel displayed.
You should refill the tank as soon as possible.
Remaining fuel amount turned to the reserve
fuel mode: 3.5 L (0.9 US gal, 0.7 Imp gal)
Available driving
distance
Low fuel indicator
After refuelling more than the reserve
amount, the display returns to normal when
the electrical system has been on for about a
minute.
Remaining
fuel
Continued
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