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The weekly once-over: small checks, big rewards

Life with a used car is a partnership. You rely on it for school runs, commutes, and weekend escapes, and in return it asks for a little regular attention. Between full services at your local independent garage, a few minutes each week can spot small issues before they become expensive breakdowns. The checks below are quick, require no special tools, and will help your car run more efficiently, use less fuel, and stay safer on British roads.

Here’s a quick weekly checklist to run through:

• Check all fluid levels under the bonnet.
• Inspect tyre pressures and look for obvious damage.
• Test lights and wipers.
• Listen for any new noises and check for leaks.

Under the bonnet: fluids that keep you moving

Park on level ground and wait for the engine to cool before checking anything under the bonnet. Start with the engine oil. Pull the dipstick, wipe it clean, reinsert it fully, then pull it out again. The level should sit between the minimum and maximum marks. If it’s low, top up with the correct grade – your handbook will tell you. Don’t overfill, as too much oil can damage the engine.

Next, check the coolant level in the plastic expansion tank. It should be between the min and max lines. Never open the cap when the engine is hot – scalding steam can escape. If it needs topping up, use a 50/50 mix of antifreeze and water. The brake fluid reservoir is usually near the back of the engine bay; if it’s below the minimum mark, this could indicate a leak or worn brake pads, so book a check with your garage.

Finally, keep the screenwash topped up with a proper concentration for the season. In winter, use a mix that won’t freeze; in summer, a bug-removing formula helps keep the windscreen clear. Running out of screenwash can fail an MOT and leaves you squinting through road grime.

Tyre pressures and tread: safety and savings

Your tyres are the only thing connecting you to the road, so give them a weekly glance and a monthly pressure check. Buy a reliable pressure gauge and check the pressures when the tyres are cold – that means before you’ve driven more than a mile or two. The correct figures are in your handbook or on a sticker inside the driver’s door pillar. Don’t forget the spare, if you have one.

Under-inflated tyres increase fuel consumption, wear out faster, and can overheat at speed. Over-inflated tyres reduce grip and make the ride harsh. Aim for the manufacturer’s recommendation. While you’re at it, check the tread depth. The legal minimum in the UK is 1.6mm across the central three-quarters of the tyre, but for safe wet-weather driving, consider replacing them at 3mm. Look for uneven wear – it can signal alignment or suspension issues that your garage can put right.

Lights and wipers: see and be seen

A quick walk around your car with the lights on takes two minutes. Check headlights (dipped and main beam), indicators, brake lights (you may need a helper or a wall reflection), reverse lights, and fog lights if fitted. Replace any blown bulbs promptly – a failed brake light is a common MOT failure and a genuine safety risk. Keep a spare bulb kit in the glovebox for emergencies.

Wiper blades are often overlooked until they smear and squeal. Inspect the rubber for cracks or missing chunks. If they leave streaks or don’t clear the screen in one sweep, replace them. Blades typically last six to twelve months, especially with our changeable weather. Also check the washer jets are aimed correctly and not blocked – a pin can clear them.

Little habits that make a big difference

Beyond the essentials, a few simple habits will keep your car in fine fettle. Listen for new noises – a squeal when braking, a rattle over bumps, or a whine from the engine. Check the ground where you park for fresh drips of oil, coolant, or brake fluid. Keep the interior and exterior reasonably clean; it makes inspections easier and helps resale value.

For fuel efficiency, remove unnecessary weight from the boot and roof rack. Drive smoothly, anticipating traffic, and avoid excessive idling. These small changes can improve your miles per gallon noticeably. Also, check the battery terminals for corrosion and ensure they’re tight. A weak battery often shows up as slow engine cranking, especially on cold mornings.

Knowing when to call in the experts

While weekly checks are invaluable, some jobs are best left to a qualified technician. If you notice brake fluid dropping, a persistent warning light, unusual vibration through the steering wheel, or a clutch that feels different, don’t delay. Your independent used car dealership or local garage has the diagnostic tools and experience to fix issues properly. Regular servicing – typically every 10,000 to 12,000 miles or annually – plus your weekly checks will keep your car reliable and safe. Build a relationship with a trusted independent garage; they’ll get to know your car and can spot problems early, saving you money and stress in the long run.