_________________________________________ I_n_t_e_ ll_,igent technology ,_ _E~-
Functioning of Anti-Lock Brake System
(ABS}
ABS prevents the wheels from locking up under braking.
The ABS contributes effectively to vehicle control since it prevents the
wheels from
locking whe n the brakes are applied . This means t hat t he
vehicle rema ins steerable and is less likely to skid.
With ABS you do not need to pump the brake. Just hold the brake
pedal down .
However, do not expect the ABS to shorten braking distance under all
circu m stances. When d riving on gravel or on new ly falle n snow o n t op
of icy surfaces, braking distance may be even longer, therefore, under
t he se circumstances, it is especially importa nt t hat you dr ive slowly
and with great care.
How the ABS system works
An a utomat ic check is made when a speed of about 12 mph (20 km/h)
is reached. When this happens, a pumping noise can be heard.
If an individ ual w heel beg ins to rotate too slow ly in relat ion to vehicle
speed and tends to lock, t he ABS au tomat ical ly reduces brake pres-
sure to prevent t hat wheel from locking .
This automatic adjustment process will cause a
slight vibrat ion of
t he bra ke ped al and some noises to aler t you t hat vehicle speed mus t
be adapted to existing road and traff ic conditions.
& WARNING
Although the ABS is very effective , always remember that braking
capability is limited by tire traction . Always adjust your driving
speed according to the road and traffic condition s . Do not let the
extra safety afforded by the ABS tempt you into taking extra risks.
The ABS cannot overcome the laws of physics .
Controls and equip-
ment
Safety first Vehicle operation
(I] Tips
• If ABS is not fun ct io ning prope rly, a wa rning light will come on .
See =>
page 15.
• If a fault occurs in the ABS, the EDL is also not functioning . This is
indicated by t he ABS warn ing light . •
Brake assist
Brake assist is designed to achieve the optimum braking
effect.
Brake ass ist helps to increase the effe ctive braking power and th us to
achieve a shorte r stopping distance . If the d river presses the brake
peda l very quickly, brake assist automatically boosts the bra king
force t o the max imum level, up to the po int whe re the anti-lock brake
function (ABS) intervenes to stop t he wheels from locki ng . You
should t hen keep the br ake peda l pressed unti l t he veh icle has braked
to the required speed . Brake ass ist switches itself off as soon as you
re lease t he bra ke pedal.
& WARNING
Please remember that the accident risk always increases if you
drive too fast , especially in corners or on a slippery road, or if you
follow the vehicle ahead of you too closely. Increased risk of an
accident cannot be compensated for even by brake assist , so
always maintain a safe s peed . •
Vehicle care Do-it-yourself service Technical data
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