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What do the warning lights on my dashboard mean?

Your car's dashboard is a crucial interface that provides real-time information about your vehicle's performance and overall health. The warning lights that illuminate on your dashboard are designed to alert you to potential issues, allowing you to address them promptly and avoid more serious problems down the road.


Common Dashboard Warning Lights and What They Mean


Dashboard warning lights come in a variety of shapes, colors, and symbols, each indicating a specific issue or system status. Here are some of the most common warning lights and what they signify:



  • Check Engine Light (Malfunction Indicator Lamp): This light indicates a problem with the vehicle's emissions control system or engine. It could be something as simple as a loose gas cap or as serious as a malfunctioning catalytic converter.

  • Brake System Warning Light: This light alerts you to an issue with your vehicle's brake system, such as low brake fluid levels, worn brake pads, or a problem with the brake calipers or master cylinder.

  • Battery/Charging System Warning Light: This light indicates a problem with your vehicle's charging system, such as a faulty alternator or a loose or damaged battery connection.

  • Oil Pressure Warning Light: This light illuminates when the engine's oil pressure drops to a dangerously low level, which can lead to engine damage if not addressed promptly.

  • Coolant Temperature Warning Light: This light indicates that the engine's coolant temperature has risen to an unsafe level, which could be caused by a coolant leak, a faulty thermostat, or a problem with the cooling system.


It's important to note that the specific meaning and appearance of dashboard warning lights may vary depending on the make and model of your vehicle. If you're unsure about the meaning of a particular warning light, consult your owner's manual or contact a qualified automotive technician for assistance.


Responding to Dashboard Warning Lights


When a dashboard warning light illuminates, it's crucial to take action as soon as possible. Here are some steps you can take:



  • Identify the warning light: Refer to your owner's manual or the information provided in this guide to determine the meaning of the specific warning light that has illuminated.

  • Assess the severity: Evaluate the urgency of the issue based on the warning light's color and the potential impact on your vehicle's performance and safety.

  • Take appropriate action: If the issue is minor, such as a loose gas cap, you may be able to address it yourself. For more serious problems, it's best to have your vehicle inspected and repaired by a qualified automotive technician.

  • Monitor the situation: If the warning light remains illuminated or the issue persists, continue to monitor your vehicle's performance and seek professional assistance as soon as possible.


Paying attention to your dashboard warning lights and addressing any issues promptly can help you avoid more costly repairs, maintain your vehicle's performance, and ensure your safety on the road.

What do 18 symbols on your car dashboard mean?


Here are 20 common car dashboard symbols and their meanings.

  • Check Engine Light. Symbol: An engine outline.
  • Battery Warning Light. Symbol: A battery icon.
  • Oil Pressure Warning. Symbol: An oil can.
  • Brake System Warning.
  • Tyre Pressure Warning.
  • Coolant Temperature Warning.
  • Airbag Warning.
  • ABS Warning Light.



What do all of the car warning lights mean?


Green or blue lights simply let you know that a system is on or operating. Orange/yellow warning lights generally signify that your vehicle needs to be serviced or repaired soon. These warnings are less urgent than if you have a red and/or flashing light. A red light means that you should take action immediately!



What is the most serious warning light in a car?


Arguably the most notorious warning light, the engine management or check engine light indicates a potential issue with the vehicle's engine or emissions system. This light can be triggered by a range of issues, from minor issues such as a faulty electrical sensor to a more complex fault with your catalytic converter.



Which warning light is if the vehicle system has a serious problem?


Your check-engine light, also referred to as the malfunction indicator lamp, appears when the onboard diagnostic system has logged a problem with one of the vehicle's systems. The issue might be a small one, but it could be a major problem.



What is the critical warning light on a car?


The most serious car warning lights are the check engine light, the oil pressure warning light, and the brake system and ABS warning lights. All of which can lead to critical problems with your vehicle if ignored.



What is the first thing to check when the check engine light comes on?


Check your gas cap first. Many vehicles have a loose gas cap indicator that will be triggered before your check engine light comes on. If your gas cap is loose or the seal is not tight, the vapor leakage can cause your fuel system to trigger the check engine light.



What does a transmission warning light look like?


You might see a gear symbol with an exclamation mark or a thermometer, signaling potential transmission issues. Each symbol or message on your dashboard is a call for your attention—don't overlook them! Your owner's manual is your go-to resource; it details what each symbol means specifically for your car.



What are the warning lights on my dash?


Red: indicates there is a serious, potentially dangerous issues - you should stop the car when it's safe and get it checked by a professional mechanic. Yellow/Orange: something is wrong that needs to be checked but it's not as urgent as a red light - take extra care and get it looked at when you can.



Can you drive with the triangle light on?


A yellow triangle with an exclamation point is usually a non-critical warning. It indicates that the problem you're dealing with won't necessarily put you in danger while you're on the road, but you should still have your vehicle checked.



What are 5 lights that might light up on your dashboard to tell you something needs attention or repair in your car?


Common Dashboard Warning Lights and What They Mean

  • Check Engine. This check engine warning light usually looks like an orange engine, and it tells you that something is wrong with the car's motor or emissions system.
  • Coolant Temperature.
  • Transmission Temperature.
  • Oil Pressure.
  • Tire Pressure.
  • Brake System.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.