2009 BMW Z4 Owner's Manual - Page 60

Driving To maintain driving stability, activate DSC whenever possible.< Releasing the transmission lock manually If a power failure occurs, e.g. if the battery is discharged or disconnected or if there is an electrical malfunction, the transmission lock must be released manually; otherwise, the rear wheels are blocked and the vehicle cannot be towed.< Release the transmission lock manually for towing only and set the parking brake beforehand to prevent the vehicle from rolling. After parking the vehicle, lock the transmission lock again. > To shift up: pull one of the shift paddles. > To shift down: press one of the shift paddles. Launch Control Launch Control enables you to drive off with an optimal vehicle acceleration on a high grip road surface. Do not use Launch Control too often, as the higher loads on the vehicle lead to premature component wear.< Launch Control is available when the engine is at operating temperature, i.e. after driving continuously for at least 6 miles/10 km. 1. With the engine running, depress the brake pedal with your left foot. 2. Activate the SPORT+ program of the Dynamic Driving Control, refer to page 79. 3. With the vehicle stationary, activate manual mode and select first gear. 4. Press the accelerator all the way down. The engine speed when driving off is controlled. A flag symbol appears in the instrument cluster. 5. The vehicle accelerates when you release the brake pedal. Keep the accelerator pressed all the way down. 6. The transmission shifts up automatically as long as the accelerator is pressed all the way down. Launch Control only becomes available again after a certain distance has been driven. Launch Control can only be used after the break-in phase, refer to page 110. Releasing 1. Unclip the sleeve of the selector lever. 2. Pull the sleeve up over the selector lever until the sleeve is inside out. 3. Remove the cap using the Allen wrench from the onboard tool kit, refer to page 208. 4. Insert the Allen wrench into the opening, arrow 1. 58 Online Edition for Part no. 01 41 2 602 116 - © 01/09 BMW AG