180 4-5 Driving Auxiliary Functions
■ When front wheel tyres slip, you cannot exercise steering control. That is to
say, although you are turning the steering wheel, the vehicle keeps running
forward. ABS is conducive to preventing locking. In addition, as impulse
braking is much faster than human response, so ABS is helpful to
maintaining steering control.
■ Do not depress the brake pedal in a pulsing way. Otherwise, ABS will fail.
Keep applying a powerful and stable force on the brake pedal when turning
the steering wheel to avoid danger, so that ABS can play its role. This is
commonly called "stable depressing results in accurate steering".
■ When ABS is working, you will feel the vibration of brake pedal and may
hear some noise. This is a normal phenomenon, because ABS is
performing fast impulse braking. The fast or slow effect of ABS depends on
the high or low values of driving force (adhesion) of tyres.
Important safety tips
■ ABS (anti-lock brake system) cannot shorten the time and distance needed
for braking the vehicle. This system only helps you to control steering
during braking. You should always keep a safe distance from other
vehicles.
■ ABS cannot prevent slipping caused by sudden change of direction, e.g.
trying to turn the vehicle quickly or changing to drive on another lane
suddenly. Drive the vehicle carefully at a safe speed all the time, no matter
what the road and weather conditions are.
■ ABS cannot prevent the reduction in stability. Perform steering properly
during hard brake. Big or sudden turning during driving may result in the
vehicle's collision with oncoming vehicles or rushing out of the road.
■ When running on a loose and soft or uneven road (e.g. the road covered by
gravels or snow), the vehicle with ABS may need a longer braking distance
than that without ABS. In this case, slow down the vehicle and keep a
longer distance away from other vehicles.
■ ABS cannot work effectively in the following circumstances:
● Tyres with insufficient road holding capacity have been used (e.g.
over-worn tyres are used on the road covered by snow);
● The vehicle slips when it is running on a wet and slippery road at a high
speed.
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