When driving downhill, you should always shift down and use the brakes in small amounts to stop slowly and steadily. When driving uphill, downshift to get more power and traction so that both the towed vehicle and the towing service Tulsa, Oklahoma vehicle can handle the weight and climb uphill. To avoid sliding, skidding, and jackknifing, avoid sudden steering. When it's raining and windy, slow down to keep control of your car. If the road is still swaying, pull over and wait until the weather clears. When the trailer is parked, put blocks under the tires to keep it from moving.