Follow the instructions for your particular car. If its appearance, sound or behaviour changes, find out why and get professional help when needed.
Use the right reference
Cars differ, and a generic number is not a substitute for the manufacturer’s instructions. Keep the handbook available and find the sections on routine checks, warning lights and tyre pressures before you need them in a hurry.
Look for changes
A brief look around the car can help you notice a damaged tyre, a light that is not working or an unfamiliar mark beneath the vehicle. This is an observation habit, not a mechanical inspection. Do not attempt a repair you are not equipped or qualified to carry out.
Understand what the MOT tells you
A current MOT certificate does not guarantee that a car is safe today. GOV.UK explains that the driver remains responsible for keeping the vehicle roadworthy. If there is a safety concern, have it checked before continuing to use the car.
Keep a simple record
Store service receipts, reminders and notes in one place. When speaking with a garage, describe what changed and when you noticed it. Clear observations are more useful than guessing which part has failed.