2012 Volvo XC70 Owner's Manual - Page 100

03 Your driving environment Wipers and washers Tailgate wiper and reverse gear If the windshield wipers are on and the transmission is put into reverse gear, the tailgate wiper will go into intermittent wiping function1. This function is deactivated when a different gear is selected. 03 IR-reflecting windshield* ces should not be placed on sections of the windshield with the IR coating because this could affect their function and limit their range. For best performance, place the device on the section of the windshield without the IR coating (see the area marked in the illustration). NOTE On vehicles with the optional rain sensor, the tailgate wiper will be activated when reverse is selected, if the rain sensor is activated and it is raining. If the tailgate wiper is in the normal (continuous) wiping mode, selecting different gears will not affect its function. Section of the windshield where the IR-coating is not applied Dimensions A B 1.9 in. (47 mm) 3.4 in. (87 mm) An optional factory-installed infrared (IR) coating can be applied to the windshield to help protect the cabin from the sun's heat and the fading effect of sunlight on upholstery, panels, etc. Electronic equipment such as garage door openers, electronic toll tags and similar devi1 Consult your Volvo retailer if you would like to have this function deactivated. 100 * Option/accessory, for more information, see Introduction.