2010 Cadillac CTS Owner's Manual - Page 120

4-10 Instruments and Controls Z (Rear Wiper Delay Short): Sets a five second delay between wipes. 5 (Rear Wiper Delay Long): Sets a ten second delay between wipes. Headlamp Washer For vehicles with headlamp washers they clear debris from the headlamp lenses. = (Rear Washer): Push the windshield wiper lever forward to spray washer fluid on the rear window. The lever returns to its starting position when released. The windshield washer reservoir is used for the windshield and the rear window. Check the fluid level in the reservoir if either washer is not working. See Washer Fluid on page 9‑25. Press the washer button at the end of the windshield wiper lever, to wash the headlamps. Both the headlamps and the windshield will be washed. After the first wash, the headlamps will not be washed until the fifth press of the windshield washer button. The headlamps must be on to be washed. If the headlamps are off, only the windshield will be washed when the washer button is pressed. If the washer fluid is low, the headlamp washers will not work. See Windshield Wiper/Washer on page 4‑8 for more information. { WARNING In freezing weather, do not use your washer until the windshield is warmed. Otherwise the washer fluid can form ice on the windshield, blocking your vision. The headlamp washers are beneath the headlamps.