The different substances contained in a dry road such as layer of tar, rubber, and oil mix up becomes slippery when the road becomes wet.

The driver must do the following:

• Be aware, calm and ready.
• As much as possible do not step on the brake.
• Reduce speed, by releasing the accelerator pedal.
• Gently step on the brakes after passing, to dry the brake pads, rotors, linings and drums.