Driving and operating 129Ignition switch positions0 = Ignition off1 = Steering wheel lock released,ignition off2 = Ignition on, for diesel engine:preheating3 = StartingStarting the engineManual transmission: operate clutch.Automatic transmission: operatebrake and move selector lever to P orN.Do not accelerate.Diesel engine: turn the key to position2 for preheating until controlindicator ! extinguishes.Turn key briefly to position 3 andrelease: an automatic procedureoperates the starter with a short delayuntil the engine is running, seeAutomatic Starter Control.Before restarting or to switch off theengine, turn key back to 0.Automatic Starter ControlThis function controls the engine startprocedure. The driver does not haveto hold the key in position 3. Onceapplied, the system will go on startingautomatically until the engine isrunning. Because of the checkingprocedure, engine starts running aftera short delay.Reasons for engine not starting canbe:■ Clutch pedal not operated (manualtransmission).■ Brake pedal not operated orselector lever not in P or N(automatic transmission).■ Timeout occurred.Overrun cut-offThe fuel supply is automatically cut-off during overrun, i.e. when thevehicle is driven with a gear engagedbut accelerator pedal is released.