1993 Pontiac Grand Am Owner's Manual - Page 146

Hydroplaning Driving too fast throughParge water puddles or even going through some t. vehicle washes can cause problems, toc The water may affect your brakes.Try to avoid puddles. But if you can't,try to slow down before you hitthem. Hydroplaning is dangerous. So much water can build up under your tires that they can actually ride on the water. This can happen if the road is wet enough and you're going fastenough. When your vehicle is hydroplaning, ithas little or no contact withthe road. You might not be aware of hydroplaning. You could drive along for some time without realizing yourtires aren't in constant contact withthe road. You could find out the hard way: when you have to slow, turn, move out to pass-or if youget hit by a gust of wind. You could suddenly find yourself of control. out Hydroplaning doesn't happen often. But it can if your tires haven't much tread or if the pressure in one or more is low. It can happen if a lot of water is standing on the road. If you can see reflections from trees, telephone poles, or other vehicles, and raindrops "dimple" the water's surface, there could be hydroplaning. Hydroplaning usuallyhappens at higher speeds. There just isn't a hard and fast rule about hydroplaning. The best advice is to slow downwhen it is raining, and be careful. 1 CAUTION Wet brakes can cause accidents. They won't work may d l in a quick stop and cause pulling to one side.You could lose control of the vehicle. After driving through a large puddle of water or a vehicle wash, apply your brake pedal lightly until your brakes work normally. I I 145 '