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Car Cleaning 101: the ultimate guide

  • Parkers’ step-by-step guide to washing your car
  • Find out which car cleaning products you need to buy
  • Work out what car cleaning steps you can skip

Written by Graham King Published: 28 July 2022 Updated: 12 April 2024

Spring is the ideal time of the year to kick off a thorough car cleaning routine. Positioned right in the middle of year, it’s the perfect opportunity to get your vehicle ready for the warmer months ahead. Car cleaning is more than just a vanity project because the muck, grime and salt that accumulates on a car in winter can cause its condition to deteriorate. So, by getting a head start on your spring cleaning, you’re prolonging your vehicle’s life and boosting its resale value. I’d say that’s a good investment of time.

Car cleaning at home is the all-round better option. There’s nothing quite like the satisfaction of stepping into your car knowing it’s been meticulously cleaned, all thanks to your own efforts. Admittedly an automated car wash or jet wash may be more convenient and quicker, but they miss important areas of your car and can damage the paintwork. Car cleaning can also be quite therapeutic, by focussing your mind on the job in hand, it can give your more of a connection to your vehicle.

In this guide, we’re going to talk you through some tips and tricks for cleaning the exterior of your car. We’ll cover all the steps to making every part of your car shine, and touch on what equipment and supplies you’ll need to make this process easier.

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Regularly cleaning your car can maximise its resale value. It's rather therapeutic, as well.
Regularly cleaning your car can maximise its resale value. It's rather therapeutic, as well.

Best car cleaning tips that you can do at home this spring

Let’s now look at the process for washing your car. What follows is comprehensive, step-by-step guide to making your car gleam.

How to prepare your car for washing

First thing to do is go over your whole car with the pressure washer to blast off all the loose muck, grime, mud, animal mess, leaves, moss and so on. Make sure you get into the wheelarches and as far under the car as possible. Using a pre-wash spray helps cut through the dirt and get your car even cleaner at this first stage. If your car has been heavily (and badly) polished in the past, you may need to use panel wipe to remove the old polish, wax and sealant.

Next, carefully inspect your car’s paintwork for any hard-to-remove substances such as tar and tree sap. Tar remover and sap remover are specifically designed to shift them.

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The first stage of a cleaning a car is to hose off the loose dirt.
The first stage of a cleaning a car is to hose off the loose dirt.

How to clean your car’s wheels and tyres

The wheels are usually the direst part of your car, getting covered in road grime, brake dust and rubber particles. Alloy wheels are usually intricate and difficult to clean, so it’s best to start there.

  1. Use your pressure washer to blast any loose dirt off the wheels and tyres. Also put the nozzle between some the spokes to clear as much dirt as possible from the back of the wheel.
  2. Apply your chosen wheel cleaner, following the instructions carefully.
  3. Use a fairly stiff detailing brush to agitate the dirt and get the wheel cleaner working properly. Make sure you regularly rinse the brush clean. Many wheel cleaners change colour as dirt builds up in the suds.
  4. Rinse the wheel thoroughly with the pressure washer; apply more wheel cleaner if needed. When you’re happy, wipe the excess water off the wheel with a drying towel.
  5. Apply wheel sealant, following the instructions carefully. It’ll take some time to cure.
  6. Buff the wheel with a second drying towel until it looks flawless.
  7. Apply some tyre dressing and wait for it to dry. You now have a stunning set of wheels.
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A car's wheels are usually the dirtiest, most difficult to clean part of a car.
A car's wheels are usually the dirtiest, most difficult to clean part of a car.

How to clean the exterior of your car

The next stage in car cleaning is washing the car’s bodywork. It’s the easiest area to damage, so a certain degree of care is needed.

  1. Once you’ve finished the pre-wash steps detailed earlier, attach a foam lance and snow foam bottle to your pressure washer. Snow foam lifts dirt off the car’s paintwork, making the rest of the cleaning process a bit easier. Carefully follow the dilution instructions.
  2. Snow foam has to sit for a few minutes before being hosed off. You can use the time to go over any dirt traps with a detailing brush, agitating the dirt so it comes off more easily. Likely dirt traps include the area above the rear number plate, inside the fuel filler flap and joins between body panels and trim.
  3. Fill two buckets with water and add car shampoo to one of them, per the product’s instructions. Use your wash mitt to clean the car’s bodywork, starting with the roof and working your way down from there. Regularly rinse the mitt in the bucket of plain water. Once you’ve been round the whole car, pressure wash off the shampoo. Repeat the process if you missed any dirt.
  4. It you want to, at this stage you can go over the car’s bodywork with a clay bar that’ll remove bits of debris that washing didn’t remove. It’s quite a time-consuming process, as you can only cover a small area at a time. Once you’ve finished, rinse the car off again.
  5. Dry the car with a clean drying towel. Starting with the roof, drape in onto the car and drag it off. It’ll pick up water sitting on the surface, preventing watermarks. Regularly wring the towel out.
  6. Once the car is dry, you can polish it. This can be done by hand or using a polishing machine. If you’re a beginner, polishing by hand is the safest option – an inexperienced hand can damage paintwork with a machine. Carefully follow the instructions on your chosen polish and take your time. A good car polishing kit contains everything you need.
  7. Lastly, apply some car wax or a paint sealant. As with all the products mentioned here, there are myriad formulations that claim to do different things but follow our recommendations at the links to get the best all-rounders. Again, carefully follow the product’s instructions when applying wax and buff it to a sheen with a drying towel.  
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A wash mitt makes it easier to get into your car's every nook and cranny.
A wash mitt makes it easier to get into your car's every nook and cranny.

How to clean your car’s glass

Snow foam and car shampoo do a good enough job of cleaning your car’s windows, but a dedicated glass cleaner is better able to get rid of the grease and streaks that can accumulate on them.

  1. Once you’ve washed and dried the exterior of your car, apply glass cleaner to all the windows. Carefully follow the product’s instructions. Buff them with a clean drying towel.
  2. Don’t forget the door mirrors and lower the windows slightly so you can clean the area that slots into the seal. It’s also worth going over the glass on your car’s roof, if it has any, and the light covers.
  3. Repeat the process on the inside of the windows. The windscreen can be particularly tricky because it’s virtually impossible to reach at a good angle, so be extra careful not to create streaks on the glass. Don’t forget about the rear-view mirror, the inside of the sunroof, or the car’s touchscreen.
  4. Back outside the car, spray the windows with water repellent. It causes water to bead and roll off, improving visibility when you’re driving in rain. Some products combine glass cleaner and water repellent.
  5. Finally, clean the wiper blades. Take them off the car if possible and clean them in a bucket of water with car shampoo, using a detailing brush. You’ll be amazed by how dirty they get.
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It can help shine a light on your car's glass post-cleaning to find any streaks left behind.
It can help shine a light on your car's glass post-cleaning to find any streaks left behind.

How to clean your car’s trim

If your car has chrome or black plastic trim, there are products designed specifically for bringing them to a sheen. Metal polishes work on any metallic trim whether it’s real or fake. Trim cleaner makes black plastic look factory fresh and can even restore faded trim. There are specific soft top cleaners for cleaning the roof on a convertible car, as well. Apply these products after washing the car, carefully following the instructions.

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The fabric roof on a convertible car needs to be cleaned with a specific chemical.
The fabric roof on a convertible car needs to be cleaned with a specific chemical.

FAQs

How do you clean a car for beginners?

If you’re new to car washing, or just want to do the job quickly, the relatively in-depth, time-consuming process detailed above can seem daunting or just plain unnecessary. But strip out some of the steps and you’ll still get your car looking a lot better with relatively little effort.

Start by hosing or pressure washing the lose dirt off your car. Then spray it with snow foam, wait a few minutes for to lift the remaining dirt off the paintwork, then rinse the car off. Or you can go straight to shampooing it.

Use two buckets of water, one with the car shampoo, the other filled with plain water. Use a wash mitt to cover the whole car in shampoo, regularly rinsing your mitt in the plain water. Start at the roof and work your way down. Then hose the car off and repeat the process if you missed any dirt. Finally, using a drying towel to take the surface water off the car – an optional step but essential on a hot day, as the water will leave marks as it evaporates.

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Car cleaning can be quite a simple process that only takes about 15 minutes.
Car cleaning can be quite a simple process that only takes about 15 minutes.

What is the correct order to wash a car?

Here’s the best running order for giving the exterior of your car a comprehensive wash that’ll have it looking its best:

We have detailed these steps in more detail earlier in this article.

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Series car 'detailers' can take several days to fully clean their whole car.
Series car 'detailers' can take several days to fully clean their whole car.

What do you need to properly clean a car?

Here’s a list of the equipment and supplies needed to comprehensively clean the exterior of your car:

We have detailed how to use all of these products earlier in this article. You can find recommendations for the best of each product at the links.

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You can essentially spend as little or as much as you like on car cleaning supplies. It just depends what results you want.
You can essentially spend as little or as much as you like on car cleaning supplies. It just depends what results you want.

What basic equipment will I need to clean the interior of my car?

If you’ve already tackled the exterior, don’t overlook the interior. While it may seem daunting, splitting the spring cleaning process can make it more manageable. Much of the equipment needed for basic car interior cleaning is either readily available in your home or easy to acquire. Here are the tools needed to begin your comprehensive interior car cleaning, or you can dive into our detailed guide for a step-by-step walkthrough of the entire process.