BYD F6 Owner's Manual page 112

BYD AUTO
5．Unscrew the drain coolant plug on the
bottom of radiator. The coolant drains from
bottom. Put it in a proper container.
6．Demount the assembly bolt of coolant
reserve tank with wrench.
7．Get the coolant reserve tank down from
bracket (pull from positive above), drain out
the coolant and put it back, install the
assembly bolt.
8．After emptying the coolant, screw down
the drain coolant plug.
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F6 OWNER'S MANUAL
9．Pour BYD AUTO four-season antifreeze
coolant glycol into radiator, until it is up to
the bottom of the filler neck. Need not
premix.
The capability of cooling system as
following:
BYD483QB engine
Manual transmission and CVT transmission:
6.8 L
Mitsubishi 4G69 engine
AT:
7.2 L