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. ...

Button controls
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Indicator and warning lamps
Visual indicators informing the driver that a system is in operation (operation or deactivation indicator lamps) or of the occurrence of a fault (warning lamp). When the ignition is switched on Ce ...