Vauxhall VECTRA Owner's Manual page 220

ABS
u
The Anti-lock Brak e S ystem (ABS )
continuously monitors the vehicle's brake
system a nd prevents the wheels from
locking regardless of the road c ondition
and ty re grip.
It starts to regulate the braking p ressure as
soon as a w heel shows a tendency to lock.
The v ehicle remains steera ble, even in the
event of very heavy braking, for instance
on bends or when sw erving to av oid an
obstacle. Even in the ca se of full-on
braking, the ABS makes it p ossible to drive
round an obsta cle without releasing the
brakes.
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AB S control is m ade apparent though a
pulse in the brak e pedal a nd the noise of
the reg ulation process.
To achieve optimum b ra king, keep the
brake ped al fully depressed throug hout
the braking proc ess, despite the fact
tha t the pedal is pulsa ting. Do not
reduce the pressure on the ped al.
Do not let this special safety feature
tempt y ou into taking risks when driving.
Tra ffic safety can only b e ac hieved by
adopting a responsible d riv ing sty le.