Can the vehicle's grip be improved in an area where there is ice on the road?
A)Only by using chains but never studded tires, as they are prohibited.
B)No, it is prohibited to drive when there is ice on the road.
C)Yes, by using chains or studded tires.Correct
# Explanation: Improving grip on ice
The vehicle's grip in areas with ice can indeed be improved by using **chains or studded tires**, both options are valid and legal. These measures significantly increase traction and wheel grip on the icy surface, improving driving safety. Driving is permitted in these conditions if appropriate precautions are taken.