Owner's Manual Cadillac BLS - IFS Europe BV
Owner's Manual Cadillac BLS - IFS Europe BV Owner's Manual Cadillac BLS - IFS Europe BV
460_OM_MY09.book Page 146 Wednesday, April 2, 2008 10:32 AM 146 Starting and driving Braking It is good practice to try your brakes periodically while driving. This is particularly important when driving in heavy rain, on roads with a lot of surface water, in snow or in salty slush. In such conditions a slight delay in the braking effect may be noticed. To minimise this delay, dry the brakes by applying them lightly now and again. This should also be done after the car has been washed, and in extremely damp weather. To avoid the brakes becoming overheated, such as when negotiating long descents with a drop of several hundred metres, select a low gear to utilise the braking effect of the engine. If the car has automatic transmission, select 1st or 2nd gear. You can help to prolong the life of the brakes by thinking ahead and braking harder over short periods, rather than braking more moderately over long stretches. WARNING The brake pressure required when the engine is off, such as when the car is on tow, is roughly four times the normal pedal force required. The pedal will feel hard and unresponsive. The steering will also be very heavy. We advise against using wheels with large ventilation slots in winter, as the brake components are then more exposed to slush, road salt and grit. Overheating can cause the brakes to fade! ABS brakes WARNING No ABS system can set aside the laws of physics. The additional safety afforded by the system is not designed to allow drivers to drive faster but to make normal driving safer. In order to achieve as short a stopping distance as possible with better handling on dry, wet and slippery road surfaces, depress the brake pedal with full force, declutch and if necessary steer to safety. The Antilock Braking System (ABS) modulates the brake pressure to each wheel. The pressure is automatically reduced just before the wheel locks up and then increases again to the point at which the wheel is just about to lock. The wheel sensors send information to the brake system’s electronic control module for every decimetre that the car rolls. This information is processed continuously to ensure that the adjustment of the brake pressure will be as exact as possible. Adjustment takes place up to 12 times per second.
460_OM_MY09.book Page 147 Wednesday, April 2, 2008 10:32 AM Starting and driving 147 The brake system provides Electronic Brakeforce Distribution (EBD). This distributes the brake pressure between the front and rear wheels, in such a way as to achieve optimum braking performance irrespective of the car’s speed or load. The ABS has a built-in diagnostics function which will switch on the ABS warning light if a fault is detected in the system, see page 62. the following message then appears on the DIC: Antilock brake malfunc. Contact service. The ABS system will not reduce the braking distance on loose gravel, snow or ice but, because the wheels cannot lock up, steering control is retained. When the ABS system operates you will feel the brake pedal pulsate and hear a ticking noise, both of which are perfectly normal. Apply the brake pedal with full force (you cannot press too hard), declutch and if necessary steer to safety. Braking with ABS brakes. Indication that the system is operating: pulsating brake pedal and ticking noise Do not release the brake pedal before the car has come to a halt or the danger is past! The above is critical. Braking with ABS – evasive steering If the road is slippery, the ABS system will operate even when only light pressure is applied to the brake pedal. This means that the driver can brake to test the condition of the road and adapt their driving accordingly. It is well worth practising the use of ABS brakes on a skid pan or other suitable facility.
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460_OM_MY09.book Page 147 Wednesday, April 2, 2008 10:32 AM<br />
Starting and driving<br />
147<br />
The brake system provides Electronic<br />
Brakeforce Distribution (EBD). This distributes<br />
the brake pressure between the front<br />
and rear wheels, in such a way as to achieve<br />
optimum braking performance irrespective<br />
of the car’s speed or load.<br />
The ABS has a built-in diagnostics function<br />
which will switch on the ABS warning light if<br />
a fault is detected in the system, see<br />
page 62.<br />
the following message then appears on the<br />
DIC:<br />
Antilock brake malfunc.<br />
Contact service.<br />
The ABS system will not reduce the braking<br />
distance on loose gravel, snow or ice but,<br />
because the wheels cannot lock up,<br />
steering control is retained.<br />
When the ABS system operates you will feel<br />
the brake pedal pulsate and hear a ticking<br />
noise, both of which are perfectly normal.<br />
Apply the brake pedal with full force (you<br />
cannot press too hard), declutch and if necessary<br />
steer to safety.<br />
Braking with ABS brakes.<br />
Indication that the system is operating:<br />
pulsating brake pedal and ticking noise<br />
Do not release the brake pedal before the<br />
car has come to a halt or the danger is<br />
past!<br />
The above is critical.<br />
Braking with ABS – evasive steering<br />
If the road is slippery, the ABS system will<br />
operate even when only light pressure is<br />
applied to the brake pedal. This means that<br />
the driver can brake to test the condition of<br />
the road and adapt their driving accordingly.<br />
It is well worth practising the use of ABS<br />
brakes on a skid pan or other suitable<br />
facility.