See also:

Reactivation
These systems are reactivated automatically each time the ignition is switched back on or from 30 mph (50 km/h). Press the "ESP OFF" button again to reactivate them manually. ...

Anti-lock braking system and electronic brake force distribution
Linked systems which improve the stability and manoeuvrability of your vehicle when braking, in particular on poor or slippery surfaces. Activation The anti-lock braking system comes into operat ...

Activation
The system is activated as soon as reverse gear is engaged, accompanied by an audible signal. The proximity information is given by: - an audible signal, which becomes more rapid as the vehicle a ...