![]() Steer away from the obstruction to the escape route. ![]() Focus your observation on the escape route and not obstruction you are trying to avoid. As you have the ability to steer, look for an escape route rather than colliding with a vehicle in front. ABS only works whilst the engine is running, depressing the clutch will aid in avoiding engine stall. If braking in an emergency with ABS, apply firm pressure onto the brake pedal and if possible depress the clutch. Remember however, the point of ABS is the ability to steer and not to stop sooner. There is no need to pump the brake pedal. ![]() Simply exert firm and constant pressure onto the brake pedal until the vehicle has stopped. A high level of anticipation and planning is required to safely drive in snow and ice regardless of the braking system a vehicle has. For further information and continued reading, see how to drive in snow safelyĪ cars brakes that utilises the anti-lock braking system is very easy to use. That being said, it’s never ideal to lock the wheels due to loss of steering ability, even in slippery conditions such as snow. A car fitted with ABS however will remain on the surface due to the wheels not locking, potentially increasing stopping distances. A similar affect can be said whilst braking on gravel. In loose snow, locked wheels may also dig-in and make contact with the tarmac. If the wheels become locked on a vehicle without ABS, they can act in a similar way to a plough allowing snow to build up and accumulate in front of the tyres which in turn causes friction slowing the vehicle down. Harsh braking in snow is one example where ABS may take a vehicle longer to stop compared to a vehicle without ABS. Rather than ABS making you stop faster, there are however some conditions where having ABS can make you stop slower. The primary purpose behind ABS is to avoid wheel locking so as to remain in control of the steering and therefore ABS won’t make a car stop faster compared to one without. Generally speaking however, it’s a popular misconception that anti-lock brakes make you stop faster than a vehicle without. If the computer determines that one or more wheels are attempting to lock-up, hydraulic valves reduce braking to an affected wheel, or all wheels if necessary.ĪBS will most likely stop you faster if compared to a vehicle without ABS that is skidding due to locked wheels in slippery wet conditions. Essentially however, sensors detect the wheel speed to determine if any of the wheels are trying to lock-up under braking. Car manufacturers have their own ABS, some that work a little differently from others. Part of this system controls the braking in the form of anti-lock brake control modules. How do anti-lock brakes work?Īlmost all modern cars have computer systems on board. A vehicle will come to a stop much sooner if brakes under as heavy load as possible, whilst maintaining traction with the road surface. As anti-lock brakes prevent the wheels from locking, it is also possible to steer the vehicle in an emergency stop procedure, potentially allowing a driver to steer away from an otherwise inevitable collision. If the tyres of a vehicle are not skidding, then there is traction between the rubber and the road surface and therefore control. Why are anti-lock brakes important and safe? Anti-lock braking system (ABS) dashboard warning light If the system detects a wheel with slower rotational speed, hydraulic valves reduce the braking effect. An ECU (Electronic Control Unit) monitors the rotational speed of the wheels. If a wheel begins to lock, the system takes over by reducing the braking of the locking wheel/s – therefore unlocking it. How Do Anti-Lock Brakes Work?ĪBS works by having sensors that detect if one or more wheels are locking during braking. As the name suggests, anti-lock brakes prevent the wheels in most circumstances from locking. In a car without anti-lock brakes, this procedure typically locks the wheels and initiates a skid. A skid renders a car out of control because the tyres have lost traction with the road surface, therefore reducing the ability to come to a stop in a quick and controlled manner.ĭuring a skid the wheels will be locked and under these circumstances, the ability to steer the vehicle is almost entirely impossible. Drivers when faced with an emergency situation inevitably slam on the brakes as hard as possible in a desperate attempt to stop the car in the shortest distance.
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