What should you do if an instrument panel warning light comes on while you're driving?
Make sure you know what the different warning lights mean. An illuminated warning light could mean that your car is unsafe to drive. If you're not sure about the problem, get a qualified mechanic to check it.
Whether you’re ready to book or still want to revise, choose the option that suits you best...
Full access to our AI-powered theory test app, your DVSA theory test booking and unlimited re-sits if you don’t pass first time
Book your theory test with unlimited re-sits
Already got your DVSA driving theory test date and want to make sure you’re fully prepared?
Get test-ready with our AI-powered theory test app
Tap the Next car theory test question button to see the next car theory test question, or pick a few random questions from the list below to mix up your practice.