1996 Mercury Sable Owner's Manual - Page 144

Variable Interval Wipers In addition to two speed wipers, your vehicle has wipers that you can set to operate at varying intervals. For example, you can set the interval so they wipe less often when it drizzles or more often in heavier rain. The variable interval wiper on the turn signal lever To set the interval wipers, turn the knob at the end of the turn signal lever toward or away from you until the wipers are going at the desired interval. Windshield Washer To clean the windshield, push in the end of the wiper switch knob. For a constant spray, keep the knob pushed in. After you release the knob, the wipers operate for two to three cycles before turning off (if the wipers were off) or returning to HI, LO, or the interval setting selected. For information about the rear washer on the wagon, see Windshield washer fluid and wipers in the Index. If the washer does not work, check the washer fluid level and fill it if it is low. See the Servicing Your Sable chapter. If there is enough fluid, 117