Instruments and controls 75Control indicator G illuminates in theinstrument cluster when the washerfluid level is low.Wiper activated lightingWith light switch in the AUTOposition, when the windscreen wiperis operated for 8 cycles or more theexterior lights illuminateautomatically.Rear window wiper/washerMove lever to activate the rearwindow wiper:Push lever = wiper onPull lever = wiper offTo activate rear window washersystem, press and hold button on endof lever. Washer fluid is sprayed ontorear window and the wiper wipes afew times when the button isreleased.Do not use if the windscreen is frozen.Switch off in car washes.Outside temperatureA drop in temperature is indicatedimmediately and a rise in temperatureafter a time delay.If outside temperature drops to 3 °C,the symbol : illuminates in theBoard-Info-Display as a warning foricy road conditions. : remainsilluminated until outside temperaturereaches at least 5 °C.In vehicles with Graphic-Info-Displayor Colour-Info-Display, a messageappears on the display as a warningfor icy road conditions. There is nomessage below -5 °C.