See also:

Hydroplaning
If water has accumulated to a certain depth on the road surface, there is a danger of hydroplaning occurring, even if: you drive at low speeds. the tires have adequate tread depth. For this ...

Driving with summer tires
Observe the notes in the "Winter operation" section. ...

General notes
USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must a ...