Driving and operating 117Control indicator k illuminates anda message in the Driver InformationCentre (DIC) is displayed.TC is reactivated by pressing the bbutton again.TC is also reactivated the next timethe ignition is switched on.FaultIf there is a problem detected with TC,a message is displayed on the DIC.When this message is displayed andb illuminates, the vehicle is safe todrive but the system is notoperational. Driving should beadjusted accordingly.ResettingIf b comes on and stays on, reset thesystem as follows:1. Stop the vehicle.2. Switch the ignition off and wait for15 seconds.3. Switch the ignition on.If b still comes on and stays on, seekthe assistance of a workshop.CautionDo not repeatedly brake oraccelerate heavily when TC is off.The vehicle's driveline could bedamaged.Electronic Stability ControlElectronic Stability Control (ESC)improves driving stability whennecessary, regardless of the type ofroad surface or tyre grip. It alsoprevents the drive wheels fromspinning.As soon as the vehicle starts toswerve (understeer/oversteer),electric drive unit output is reducedand the wheels are brakedindividually. This considerablyimproves the driving stability of thevehicle on slippery road surfaces.ESC is operational as soon as thecontrol indicator b extinguishes.When ESC is active, b flashes.9 WarningDo not let this special safetyfeature tempt you into taking riskswhen driving.Adapt speed to the roadconditions.Control indicator b 3 64.DeactivationFor very high-performance driving,ESC can be deactivated: Press andhold b button in the overhead console
