1998 GMC Sonoma Owner's Manual - Page 186

... .. . ... , Wet brakes can cause accidents. They won't work as well in a quickstop and may cause pulling to one side.You could lose control the vehicle. of After driving through a large puddle of water or a car wash, apply your brake pedal lightly until your brakeswork normally. Driving too f i s t through large water puddles or even going through some car washes can cause problems, too. The water may affect your brakes. Try to avoid puddles. But if you can't, try to slow down before you hit them. 4-30