UK Driving Theory Practice Exam 2026 - Free Driving Theory Practice Questions and Study Guide

Parking lights are primarily used for when a vehicle is parked. Option A is incorrect because fog lights are specifically designed to improve visibility in foggy conditions while driving. Option C is incorrect because driving in heavy rain would require the use of headlights, not just parking lights. Option D is incorrect because dusk is a low light condition where headlights should be used instead of parking lights.