The warning lights that appear on your dashboard are usually the first signs there is something wrong with your vehicle. If you find that one appears when you are driving you should pull over in a safe place as soon as possible. Most warning lights are general and can be found over a variety of different vehicles; you may also find that some warning lights are specific to the model of your car. We recommend you take a look in your handbook when purchasing a new vehicle to familiarise yourself. Keep reading if you’re a little unsure of what your warning lights mean and how you can manage them.

Importance of warning lights

You should never ignore a warning light on your vehicle, so here we are discussing what they mean and what you should do if your warning light appears. Throughout this article Unit18 have chosen our top five warning lights that are most likely to appear on your vehicle. If you would like to know more about specific warning lights we recommend you take a look at AutoZone by clicking here.

Oil pressure warning lights

You might find that your oil pressure warning light comes on while driving or appears once you have started the car and doesn’t turn off when driving. If you are at home, we recommend you turn the car off and wait for the engine to cool. Take your dipstick and remove all excess oil, stick its back into the oil unit and take out, your oil should be within your minimum and maximum line. If you find that it is below the minimum, you will need to look in your vehicle manual for information regarding the right oil to purchase. If you are driving your vehicle, try to stop in a safe place, we recommend you call someone who may be able to help including a relative or friend. If you find that your oil is leaking or running really low often, we recommend you contact your nearest garage and request an oil change.

Oil Warning Light

Brake system warning light

You will want to take care if your brake system warning light appears, this could indicate that your brake fluid is too low. Your brake fluid cap should have the same symbol as the warning light so should be easy to locate on your vehicle if you are unsure take a look at your vehicle manual. If it is low, you will need to ensure it is topped up to the maximum mark before setting off on your journey. If you are finding that the brake fluid light is still on once you have topped it up, you might have a sensor fault, and this will require a qualified mechanic to take a look.

Braking Warning Light

Engine warning light

If your engine warning light is lit up, then this is often accompanied by some unusual symptoms. You might find that your vehicle is experiencing a lack of power, an intermittent stuttering as you try to accelerate caused by a misfire. It may also be as simple as a sensor fault; this is one warning light we strongly recommend you have checked out by a professional mechanic if left and there is something wrong with your vehicle it could cause damage to your engine, worst case scenario it may destroy your engine and potentially cause irreparable harm.

Engine Warning Light

Battery charge warning light

The battery on your car automatically recharges when your vehicle is being driven, if you find your warning light is appearing you should stop in a safe place and see if you can figure out what is causing the issue if you are unsure we recommend calling your closest garage. The battery light will indicate whether your battery has a low voltage level, which means the vehicle charging system is not working correctly. If you find that your battery charge warning light stays on after starting the vehicle, this could indicate something is wrong with the electrical system in your car.

There are a number of issues that can be the cause including a faulty alternator, bad connection or damaged cabling. If your cars battery charge isn’t working the way it should, then you will find that your car can come to a sudden stop. You might find that if you try and switch in your vehicle by turning the key in the ignition and it doesn’t turn on, your battery pack has gone. This means that you will need to have it jump-start the vehicle or in some cases have the battery pack replaced.

Battery Warning Light

Tyre pressure monitor warning light

The purpose of your vehicles tyre pressure monitor is to make you aware when your tyre pressure is getting too low. If your tyre pressure is too low, you might find that your car is driving in unsafe conditions. If you drive your vehicle with low tyre pressure, this can cause the tyres to wear a lot easier and quicker meaning it might cost you a fair bit replacing if not maintained.

There is a quick fix for you tyre pressure; you can find all information about what pressure your tyres should be in your car manual or often this can be found in the inside of the driver’s door. You can check your pressure at most petrol stations and even at home with a simple device. Purchase yourself a tyre gauge from Tool Station, it’s small enough to keep in your car and will remind you to check your tyres on a regular basis.


We always recommend that you never leave a warning light and do your best to maintain your vehicle. Ensure your car or vehicle regularly has its car servicing in Milton Keynes. By having your car serviced regularly, you can prevent any of the warning lights mentioned from appearing. If you find that your lights are illuminating ensure you stop in a safe place and don’t put yourself in any danger when doing so. If you are unsure on what to do or what your warning light means feel free to give you local garage a call as we’re sure they would be happy to help.

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