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06 Starting and driving
124
Brake system
06
The ABS symbol lights up:
• for approximately two seconds during the
system test when the car is started.
• if the ABS system has shut down due to a
fault.
Electronic brake force distribution
system – EBD
The Electronic Brakeforce Distribution sys-
tem (EBD) is an integrated part of the ABS
system. The EBD system controls the brake
force to the rear wheels so that the best pos-
sible braking force is always available. Pulses
will be heard and felt through the brake pedal
when the system regulates brake force.
Emergency Brake Assistance – EBA
The Emergency Brake Assistance function
(EBA) is integrated in the DSTC system and is
designed to provide immediate maximum
brake force whenever rapid braking is neces-
sary. The system detects the need for heavier
braking by registering how quickly the brake
pedal is applied.
The EBA function is active at all speeds. For
safety reasons, it cannot be switched off.
When the EBA function is activated, the
brake pedal sinks while maximum braking
force is applied. Continue braking without re-
leasing the brake pedal. The EBA function
disengages when the pressure on the brake
pedal is released.
NOTE
You must depress the brake pedal fully to
take maximum advantage of the ABS sys-
tem.
Do not release the pedal when you hear and
feel the ABS pulses.
Practice braking with the ABS system at a
suitable location such as a skid pan to prac-
tice skidding.
WARNING
If the BRAKE and ABS warning symbols are
illuminated at the same time, a fault may
have occurred in the brake system. If the
level in the brake fluid reservoir is normal,
drive carefully to the nearest authorised
Volvo workshop to have the brake system
checked.
If the brake fluid is under the MIN level in the
brake fluid reservoir, do not drive further be
-
fore topping up the brake fluid.
The reason for the loss of brake fluid must
be investigated.
NOTE
When EBA is activated the brake pedal low-
ers slightly more than usual, depress (hold)
the brake pedal as long as necessary. If the
brake pedal is released then all braking
ceases.