1997 Buick Riviera Owner's Manual - Page 99

In freezing weather, don't use your washer until .thewindshield is warmed. Otherwise the washer fluid can form ice on the windshield, blocking your vision. To get more fluidon the windshield, push and hold the paddle. Sprayingwill continue as long as the paddle is held. WASHER FLUID LOW When you get to a low fluid condition,the LOW WASHER FLUID light will come on to remind you to get more washer fluid soon. 2-38