The keyword here is active.

These are safety systems that actively help you when driving to make you drive safer.

Examples of active safety include:

ABS/anti-lock braking system – helps you brake optimally without locking up the wheels.

ESP/electronic stability control – monitors the wheels and chassis to optimise the car's stability. ESP/electronic stability control – monitors the wheels and chassis to optimise the car's stability.

ASR/anti-slip regulation – keeps the wheels from spinning unnecessarily. ASR/anti-slip regulation – keeps the wheels from spinning unnecessarily.