What’s badly affected if the tyres are under-inflated?

Explanation: Your tyres are your only contact with the road. To prevent problems with braking and steering, keep your tyres free from defects; they must have sufficient tread depth and be correctly inflated. Correct tyre pressures help reduce the risk of skidding and provide a safer and more comfortable drive or ride.

Category: Safety and your vehicle

References: The Official DVSA Guide to Driving: Section 12, The Official DVSA Guide to Driving: Section 14, Highway Code: Page 129