2003 GMC Sierra 1500 Pickup Owner's Manual - Page 321

Some Other Rainy Weather Tips Turn 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 on page 5-72. City Driving One of the biggest problems with city streets is the amount of traffic on them. You'll want to watch out for what the other drivers are doing and pay attention to traffic signals. 4-40