BYD F3/F3R Owner's Manual page 218

b. If the terminal connections are loose,
tighten their clamp nuts, but do not
over-tighten it.
c. Tighten the hold-down clamp only enough
to keep the battery firmly in place.
Over-tightening may damage the battery
case.
NOTICE
Be sure the engine and all
●
accessories are off before
maintaining.
● When checking the battery, remove
the ground cable from the negative
terminal first and reinstall it at last.
● Be careful not to cause a short
circuit with tools.
● Take care that no solution gets into
the battery when washing it.
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Check battery interior
Check the battery interior according to the
instructions and the indicator light of the
battery.
NOTICE
● Charging the battery when the cable
is connected may seriously damage
the electric control unit and
electronic devices. Before
connecting the battery to a charger,
disconnect the battery cable first.
● Operating the power consuming
devices on your vehicle when the
engine is stopped may cause the
battery to be over-discharged. Then,
the vehicle may fail to start and the
battery may even be damaged
permanently.
F3/F3R OWNER'S MANUAL
Do not operate the power
●
consuming devices, like the audio
system and illuminating system
when the engine is stopped.
● Make sure the doors are closed
and all power consuming devices,
like lights, are turned off if you are
leaving your vehicle.
CAUTION
If the electrolyte is not sufficient,
please replace the battery. Don't add
electrolyte on your own!