1996 Pontiac Grand Am Owner's Manual - Page 167

Hydroplaning Hydroplaning isdangerous. So much watercan build up under your tires that they actually ride on the water. can This can happen if the road is wet enough and you're going fast enough. When your vehicle is hydroplaning, it has little or no contact with road. the Hydroplaning doesn't happen often. it can if your But tires haven't much tread orif 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 be water's surface, there could hydroplaning. Hydroplaning usually happens at higher speeds. There just isn't a hard and fast rule about hydroplaning. The best advice is to slow down when is raining. it Driving Through Deep Standing Water NOTICE:. If you drive too quickly throughdeep puddles or standing water, water can come in through your your engine's air intake and badly damage engine. Never drive through water that is slightly lower than the underbody your vehicle.If you of can't avoid deep puddles standing water, drive or through them very slowly. Some Other Rainy Weather Tips TUm on your low-beam headlamps -- not just your parking lamps -- to help make you more visible to others. '' Besides slowing down, allow some extra following distance. And be especially careful when you pass another vehicle. Allow yourself more clear room ahead, and be prepared to have your view restricted by road spray. Have good tires with proper tread depth. (See "Tires" in the Index.) 4-19