Car Maintenance Schedule: How to Keep Your Car Reliable
A car is a complex machine with many parts that wear out, need lubrication, or need replacing over time. Regular maintenance is the difference between a car that starts every morning, stops safely, and lasts for many years, and a car that breaks down at the worst moment, fails its roadworthiness test, or costs thousands in repairs that could have been prevented. Maintenance is not just about following a service schedule; it is about understanding what to check, how often, and why, so you can spot problems early, when they are cheap to fix, rather than late, when they are expensive.
This guide gives you a practical maintenance schedule for a petrol, diesel, hybrid or electric car, covering what to check weekly, monthly, every six months, and every year, and what to leave to a qualified mechanic. It explains the most important items — engine oil, coolant, brakes, tyres, battery, lights, and filters — in plain language, without assuming you are a mechanic. It also explains how maintenance differs for electric cars, which need less routine servicing but still need attention to tyres, brakes, and software. By the end, you should have a schedule you can follow, a checklist you can use, and the confidence to know when a job is a simple DIY task and when it is time to book a garage.
Why Maintenance Matters
Regular maintenance matters for three reasons: safety, reliability, and cost. Safety is the most important: brakes that are worn, tyres that are bald, lights that do not work, and steering that is loose can all cause an accident, and they can all be detected by regular checks. Reliability is next: a car that is maintained will start, will not overheat, will not break down, and will get you where you need to go, while a car that is neglected will let you down, often at the worst time, such as on a cold morning, on a motorway, or on holiday. Cost is the third reason, and it is often misunderstood: maintenance costs money, but neglecting maintenance costs more, because a small problem that is ignored becomes a large problem that is expensive to fix. A worn brake pad that is replaced early costs far less than a worn brake pad that damages the disc. An oil change that is done on time costs far less than an engine that is damaged by old, dirty oil.
Maintenance also protects the value of your car. A car with a full service history, with stamps or invoices from a reputable garage, is worth more than a car with no history, because a buyer can see that it has been cared for. It is also more likely to pass its roadworthiness test, and it is less likely to have hidden problems that will cost you money after you buy it. For a new car, following the manufacturer’s service schedule is often a condition of the warranty, so skipping a service can void the warranty and leave you paying for a repair that would otherwise have been covered.
Weekly Checks: Five Minutes That Prevent Breakdowns
Weekly checks are the simplest and most valuable maintenance you can do, and they take only a few minutes. Do them at the same time each week, for example when you fill up with fuel or charge the car, so they become a habit. The first check is tyres: look at each tyre for damage, for objects stuck in the tread, and for uneven wear, and check the pressure with a gauge, not just by looking, because a tyre can look fine and still be under-inflated. The correct pressure is shown in the car’s manual, on a sticker inside the driver’s door, or inside the fuel filler cap, and it may be different for the front and rear tyres, and for a loaded car versus an empty car. Under-inflated tyres use more fuel, wear faster, and handle worse, especially in the wet. Over-inflated tyres are harsh and offer less grip. Check the tread depth too: the legal minimum varies by country, but as a general guide, tyres should be replaced well before they reach the minimum, because grip in the wet falls sharply as tread wears.
The second weekly check is fluids, for a petrol, diesel or hybrid car. Check the engine oil level using the dipstick, with the car on level ground and the engine cool, and top it up if it is low, using the correct grade of oil specified in the manual. Check the coolant level in the reservoir, and top it up if it is low, using the correct coolant. Check the windscreen washer fluid, and top it up, especially in winter when you use it more. For an electric car, there is no engine oil to check, but you should still check the windscreen washer fluid and the coolant for the battery and electronics, if it is accessible, and check the 12-volt battery if you can. If any fluid is consistently low, that may indicate a leak, and you should have it checked by a garage.
The third weekly check is lights and wipers. Check that all the lights work: headlights on dipped and main beam, indicators, brake lights, reversing lights, and fog lights. Ask a friend to help, or park in front of a reflective surface and check the lights in the reflection. Check the wipers for wear, for streaking, and for damage, and replace them if they do not clear the windscreen properly. Check the windscreen for chips and cracks, especially in the driver’s line of sight. The fourth weekly check is a general look around the car: check for leaks under the car, for damage to the bodywork, for loose trim, and for any unusual smells or noises when you start the car. If you notice anything unusual, do not ignore it. A small leak, a new noise, or a warning light is the car’s way of telling you something is wrong, and it is cheaper to investigate early than to wait until it becomes a breakdown.
Monthly Checks: A Deeper Look
Monthly checks are a deeper version of the weekly checks, and they take a little longer, but they are still simple enough for most drivers. The first monthly check is the battery, for a petrol, diesel or hybrid car. Check the battery terminals for corrosion, which looks like a white or blue powdery deposit, and clean them if necessary. Check that the battery is secure, and that the cables are tight. If the car is slow to start, or if the lights dim when you start the car, the battery may be weak, especially in cold weather, and it may need charging or replacing. For an electric car, check the 12-volt battery in the same way, and check the main battery’s state of health if your car’s app or display shows it.
The second monthly check is brakes. Look at the brake discs through the wheels, if you can see them, and check for scoring, rust, or uneven wear. Listen for grinding or squealing when you brake, and feel for vibration or pulling to one side. Check the brake fluid level in the reservoir, and top it up if it is low, using the correct fluid. If the brake pedal feels spongy, or if it goes down further than usual, have the brakes checked by a garage immediately, because brakes are critical for safety. For an electric car, brakes may last longer because of regenerative braking, but they can suffer from corrosion if they are rarely used, so check them regularly and use them firmly occasionally to clean the discs.
The third monthly check is the engine bay, for a petrol, diesel or hybrid car. With the engine cool, open the bonnet and look for leaks, for damaged hoses, for loose belts, and for any signs of rodents or nesting, especially if the car has been parked for a while. Check the air filter if it is accessible, and replace it if it is dirty. Check the drive belts for cracks or fraying. If you are not confident, a garage can do this as part of a service, but a visual check can spot a problem early. The fourth monthly check is the interior: check that all the seatbelts work, that the seats adjust properly, that the heating and air conditioning work, and that the demister clears the windscreen quickly. Check the spare tyre, if you have one, or the tyre repair kit, and make sure you know how to use it.
Every Six Months: Servicing and Seasonal Preparation
Every six months, or every 6,000 miles, whichever comes first, your car will benefit from a more thorough check, which is often part of a minor service. That service should include an oil and filter change for a petrol, diesel or hybrid car, a check of the brakes, tyres, suspension, steering, lights, and exhaust, and a check of the fluids and filters. It should also include a check of the air conditioning, the battery, and the software, if applicable. For an electric car, a six-monthly check should include tyres, brakes, suspension, lights, coolant, and software, and a check of the charging port and cable.
Seasonal preparation is also important. Before winter, check the coolant, the battery, the tyres, and the wipers, and make sure you have a scraper, de-icer, and a torch in the car. Consider winter tyres if you live in an area with snow and ice, or all-season tyres if you want a compromise. Before summer, check the air conditioning, the coolant, and the tyres, because hot weather can cause overheating and can increase tyre pressure. Before a long journey, do a full check of tyres, fluids, lights, brakes, and the spare tyre or repair kit, and make sure you have breakdown cover and a charged phone.
Annual Service: What It Should Include
An annual service, or a service at the mileage interval specified by the manufacturer, is the most thorough maintenance your car will receive, and it should be done by a qualified mechanic, either at a main dealer or at a reputable independent garage. The service should follow the manufacturer’s schedule, which is specific to your car and is shown in the manual or in the service book. It will usually include an oil and filter change, a replacement of the air filter, fuel filter, and cabin filter at the specified intervals, a check of the spark plugs for a petrol car, a check of the brakes, tyres, suspension, steering, exhaust, and lights, and a check of the fluids, belts, and hoses. It should also include a check of the battery, the charging system, and the software.
For an electric car, the annual service is simpler, because there is no oil, no spark plugs, no exhaust, and no multi-speed gearbox to service, but it still includes tyres, brakes, suspension, steering, lights, coolant, cabin filter, and software, and a check of the battery health. The service should be recorded in the service book or digitally, with a stamp or invoice, because that record is important for warranty, for resale value, and for proving that the car has been maintained. If you use an independent garage, check that they use the correct parts and fluids for your car, and that they follow the manufacturer’s schedule, because using the wrong oil or the wrong parts can damage the car and can void the warranty.
Tyres: The Most Important Safety Item
Tyres are the only part of the car that touches the road, and they are critical for braking, steering, and grip, especially in the wet. They need regular attention, and they are often neglected. Check tyre pressure at least once a month, and before a long journey, using a reliable gauge, and inflate to the pressure specified for your car and load. Check tread depth regularly, and replace tyres well before they reach the legal minimum, because grip in the wet falls sharply as tread wears. Check for damage, including cuts, bulges, cracks, and objects stuck in the tread, and replace a damaged tyre immediately, because a bulge can indicate internal damage that could cause a blowout.
Tyres should be replaced in pairs on the same axle, so that the grip is balanced, and the newer tyres should usually be fitted to the rear, to prevent the rear of the car from losing grip in the wet. Wheel alignment should be checked if the tyres wear unevenly, if the car pulls to one side, or if the steering wheel is not centred, because misalignment causes uneven wear, poor handling, and higher fuel consumption. Wheel balancing should be checked if you feel vibration through the steering wheel or the seat at speed. For an electric car, tyres may wear faster because the car is heavy and has strong torque, so check them more often, and consider tyres designed for electric cars, which are designed to handle the extra weight and torque and to be quieter.
Brakes, Suspension and Steering
Brakes, suspension and steering are critical for safety, and they need regular checks. Brakes should be checked at every service, and you should listen for grinding, squealing, or vibration when you brake, and feel for pulling to one side or a spongy pedal. Brake pads wear over time, and they should be replaced before they wear down to the metal, which would damage the discs. Brake discs can warp, crack, or corrode, especially if the car is parked for a long time, and they should be checked and replaced if necessary. Brake fluid absorbs moisture over time and should be replaced at the interval specified by the manufacturer, usually every two years, because old fluid can cause corrosion and can reduce braking performance.
Suspension should be checked for leaks, for worn bushes, and for broken springs, which can cause knocking, bouncing, or poor handling. Steering should be checked for play, for pulling, and for unusual noises, and the power steering fluid, if applicable, should be checked. For an electric car, the suspension and steering are similar to a petrol car, but the brakes may be used less because of regenerative braking, so they need to be checked for corrosion and for proper operation. If you notice any change in how the car handles, brakes, or steers, have it checked promptly, because a small problem can become a safety issue quickly.
Electric Car Maintenance: What Is Different
Electric cars need less routine maintenance than petrol or diesel cars, but they are not maintenance-free. There is no oil to change, no spark plugs, no exhaust, no clutch, and no multi-speed gearbox, which removes many of the most common service items. But electric cars still need tyres, brakes, suspension, steering, lights, coolant, cabin filters, and software updates, and their batteries need to be checked. Tyres can wear faster, as noted above, because of the weight and torque. Brakes can suffer from corrosion if they are rarely used, so they should be checked and used firmly occasionally. The 12-volt battery can go flat, just as in a petrol car, and it should be checked. The main battery should be checked for health, especially in a used car, and its cooling system should be checked. Software updates should be installed, because they can improve range, fix bugs, and add features. Charging port and cable should be checked for damage, and the car should be serviced according to the manufacturer’s schedule, even though the service is simpler, because that maintains the warranty and the resale value.
Keeping Records and Knowing When to Get Help
Keep a record of all maintenance, with dates, mileage, and invoices, in a folder or digitally, because that record is valuable for warranty, for resale, and for tracking when the next service is due. Note the date and mileage of each service, each tyre change, each brake replacement, and each repair, and keep the receipts. Set reminders for the next service, for the roadworthiness test, and for seasonal checks, so you do not forget. If you do maintenance yourself, keep a record of what you did and what parts you used, and use the correct parts and fluids for your car.
Know when to get help. Some tasks, such as checking tyre pressure, topping up washer fluid, and replacing wiper blades, are simple DIY tasks for most drivers. Other tasks, such as changing oil, replacing brakes, or working on the high-voltage system of an electric car, should be left to a qualified mechanic, because they require tools, knowledge, and safety precautions. Never work on the high-voltage battery or the orange high-voltage cables in an electric car yourself, because they carry a voltage that can be fatal. If you are unsure, ask a garage. A garage that is honest will tell you what you can do yourself and what needs a professional, and it will not charge you for work you do not need.
Frequently Asked Questions
How often should I service my car? Follow the manufacturer’s schedule, which is usually every 12 months or every 10,000 to 15,000 miles, whichever comes first, depending on the car and how you drive. If you drive in harsh conditions, such as short town journeys, dusty roads, or extreme temperatures, you may need to service more often. Check your manual for the specific interval for your car.
Do electric cars need servicing? Yes, but less often and more simply than petrol or diesel cars. Electric cars still need tyres, brakes, suspension, coolant, cabin filters, and software updates, and their batteries should be checked. Follow the manufacturer’s service schedule for your car, even though the service is simpler.
What is the most important maintenance check? Tyres and brakes are the most important for safety, because they are the parts that stop the car and keep it on the road. Check tyre pressure and tread regularly, and check brakes for wear, noise, and performance. Oil is the most important for a petrol or diesel engine, because old or low oil can cause serious engine damage.
Can I do car maintenance myself? Yes, for simple tasks such as checking tyre pressure, topping up fluids, replacing wiper blades, and checking lights. For more complex tasks, such as changing oil, replacing brakes, or working on the high-voltage system of an electric car, use a qualified mechanic. Never work on high-voltage components yourself.
How do I know if my car needs a repair? Listen for new noises, feel for changes in handling, braking, or steering, watch for warning lights, leaks, or smells, and check for a drop in fuel efficiency or range. If you notice any of these, have the car checked promptly. A small problem that is fixed early is cheaper than a large problem that is ignored.