2 Answers

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Hi,

An anti-lock braking system (ABS) is an automobile safety system that allows the wheels on a motor vehicle to continue interacting tractively with the road surface as directed by driver steering inputs while braking, preventing the wheels from locking up (that is, ceasing rotation) and therefore avoiding skidding. It is an automated system that uses the principles of threshold braking and cadence braking, that was practised by skilful drivers with previous generation non-ABS braking systems. It does this at a much faster rate and with better control than a driver could manage.

An ABS generally offers improved vehicle control and decreases stopping distances on dry and slippery surfaces for many drivers; however, on loose surfaces like gravel or snow-covered pavement, an ABS can significantly increase braking distance, although still improving vehicle control.[1]

Since initial widespread use in production cars, anti-lock braking systems have evolved considerably. Recent versions not only prevent wheel lock under braking, but also electronically control the front-to-rear brake bias. This function, depending on its specific capabilities and implementation, is known as electronic brakeforce distribution (EBD), traction control system, emergency brake assist, or electronic stability control (ESC).

Read more: http://en.wikipedia.org/wiki/Anti-lock_braking_system

About the lights I couldn't find an answer, sorry,

Greetings Puran

Colleen

If the abs light remains on, then there is a problem with the abs and it needs to be addressed by a service mechanic.