Driving and operating 153Hill start assistThe system helps prevent unintendedmovement when driving away oninclines.When releasing the brake pedal afterstopping on an incline, the brakesremain on for a further two seconds.The brakes release automatically assoon as the vehicle begins toaccelerate.The hill start assist is not active duringan Autostop.Ride control systemsTraction Control systemThe Traction Control system (TC) is acomponent of the Electronic StabilityControl (ESC) 3 154.TC improves driving stability whennecessary, regardless of the type ofroad surface or tyre grip, bypreventing the drive wheels fromspinning.As soon as the drive wheels starts tospin, engine output is reduced andthe wheel spinning the most is brakedindividually. This considerablyimproves the driving stability of thevehicle on slippery road surfaces.TC is operational after each enginestart as soon as the control indicatorb extinguishes.When TC operates b flashes.9 WarningDo not let this special safetyfeature tempt you into taking riskswhen driving.Adapt speed to the roadconditions.Control indicator b 3 92.