Drivers who fail to drink enough water during long-distance journeys could end up being fined £1,000.
The warning comes as many Brits are planning to take to the roads for getaways or to visit family over the Easter bank holiday weekend.
Dehydration, which can cause symptoms such as dizziness and loss of focus can lead to drivers being fined for failure to have proper control of a vehicle, automative experts at Leasing Options have warned.