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Brake System
Overview
This series of models are equipped with
hydraulic brake system, vacuum servo
assisted, braking through dual circuits, and
various functions are realized by brake
control module.
The brake system can be divided into service
brake system and parking brake system which
includes Electronic Brake Force Distribution
(EBD) and Electronic Brake Assistance (EBA).
EBD system can distribute braking forces
between front and rear wheels under all
load conditions in order to maintain braking
efficiency. EBA system can react to the speed
at which the brake pedal is applied. Full ABS
application is applied to bring the vehicle to
a stop in the shortest possible distance if the
brakes are applied faster than the limits set
within the system in an emergency situation.
Driving through water or heavy rain may
adversely affect braking efficiency. The SCS
(Stability Control System) includes a Brake
Disc Wiping function which is activated when
the windscreen wipers are used. However,
always keep a safe distance from other
vehicles and intermittently apply the brake
pedal in conditions where the wipers are not
used.
The brake system is servo assisted, always be
aware of the followings during the operation:
• The servo assistance function is reliant
upon vacuum which works only when the
START/STOP Switch is in ON/READY
state. NEVER allow the vehicle to coast
when the START/STOP Switch is in OFF
state.
• The vacuum is provided by an electronic
vacuum pump. DO NOT continually
pump the brake pedal, otherwise the
brake system may be unable to provide
sufficient brake assist and the vehicle
speed will be limited. If this situation does
occur or is unavoidable, please pull over
and allow the electronic vacuum pump to
cool down for a while when it is safe to
do so. Please power the vehicle again to
return to normal.
• The efficiency of the brake servo booster
can be affected by numerous conditions,
such as change of atmospheric pressure
due to altitude differences. These
conditions could result in extra force
being required to operate the brake
pedal to stop the vehicle.
• If the braking efficiency is reduced due
to vehicle failure, please contact an MG
Authorised Repairer as soon as possible.
Starting & Driving
4
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