BYD F3DM - Brake System

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F3DM Owner’s Manual
Brake System
Brake system adopts a power system
with two independent vacuum sources:
one is to provide vacuum negative
pressure through air inow by electric
engine and the other is to provide
vacuum negative pressure through
vacuum-pumping by vacuum pump.
If any faults occur in vacuum pump
or assistance devices during driving
at EV mode, the engine will start
automatically and also provide vacuum
source for brake system.
NOTICE
If the DM system indicator blinks
with rapid clicking, system switches
to HEV mode automatically, and the
engine starts, these mean there is
a malfunction in vacuum pump and
auxiliary device, thus please park
your car in a safe place and contact
BYD authorized service provider.
Vacuum Booster
Vacuum booster realize boosting effect
by vacuum source provided from
negative pressure formed by air inow
of the electric engine or by vacuum-
pumping of vacuum pump. If vacuum
source is cut off in driving, you need to
step on the brake pedal harder to stop
the car.
NOTICE
y
Do not step on the brake pedal
repeatedly after you park the
car, since every time you step on
the brake pedal, it will consume
vacuum pressure.
y
If accident happens, vacuum
booster may not work, but the
brake can still work normally.
However, you need to step on
the brake harder and the braking
distance will also be ncreased.
y
It is forbidden to let your car skid
before the DM system is enabled.
Anti-lock Brake System (with “ABS”
warning light)
The anti-lock brake system is designed
to prevent the wheels from locking
in a sudden braking or driving on the
使用手册小330.indd131 2011-4-1318:36:51