Vauxhall Agila Owner's Manual page 67

5-16 Instruments and controls
Y
If control indicator illuminates in the
instrument cluster, refuel
immediately, regardless of the value
shown in the range display.
Setting units of measure
You can select which units of
measure are to be used for fuel
consumption figures.
With the vehicle stationary and with
instantaneous consumption showing
in the display, press and hold the
MODE button for approx. 2 seconds
to toggle between gal/h and
mpg.
Interruption of power supply
If the power supply has been
interrupted or if the battery voltage
has dropped too low, the values
stored in the trip computer will be lost.