2009 Mercedes SLR McLaren Owner's Manual - Page 311

Practical hints What to do if ... Problem Possible cause/consequence The red Airbrake warning The Airbrake or the central locking system lamp comes on while driving is malfunctioning. and you hear a warning sound. The red gearshift indicator You are driving with the manual shift prolamp comes on while driving. gram. The engine is in the overrevving range. The yellow fuel reserve warn- The fuel level has dropped below the ing lamp comes on while reserve mark. driving. The fuel filler cap is not closed tightly. The engine oil temperature indicator comes on in the tachometer while driving. The engine oil has not yet reached its operating temperature. Suggested solutions Contact an authorized Mercedes-Benz Center immediately. < > A Shift to the next higher gear. Otherwise the fuel supply will be interrupted to prevent the engine from overrevving. Refuel at the nearest gas station ( page 247). Check the fuel filler cap ( page 247). Warm up the engine and do not drive at full power until the operating temperature has been reached. The symbol will go out as soon as the engine oil has reached its operating temperature. = 311