1998 Pontiac Grand Am Owner's Manual - Page 177

Hydroplaning Hydroplaning is dangerous. So much water can build up under your tires that they can actually on the water. ride This can happen if the road wet enough and you're is going fast enough. When your vehicle is hydroplaning, it has little or no contact with the road. Hydroplaning doesn't happen often. But it can if your tires do not have much tread or if the pressure or in one on more is low. It can happenif a lotof water is standing from trees, telephone the road.If you can see reflections and poles or other vehicles, raindrops "dimple" the water's surface, there could be hydroplaning. Driving Through Deep Standing Water NOTICE: If you drive too quickly through deep puddles or standing water, watercan come in through your engine's air intake and badly damage your engine. Never drive through water thatslightly is lower than the underbody your vehicle.If you of can't avoid deep puddles or standing water, drive through them very slowly. Hydroplaning usually happens at higher speeds. There just isn't a hard fast rule about hydroplaning. The and best adviceis to slow down when it is raining. Some OtherRainy Weather Tips Besides slowing down, allow some extra following distance. And be especially careful when pass you room another vehicle. Allow yourself more clear ahead, and be prepared to have your view restricted by road spray. Have good tires with propertread depth. (See "Tires" in the Index.) 4-20