Audi A4s are equipped with a variety of warning lights and symbols to let the driver know when something is wrong. While some of these are self-explanatory, others can be more difficult to decipher. In this article, we'll go over the meaning of some of the most common Audi A4 dashboard warning lights and symbols.
See also: Audi dashboard warning lights
What Kind Of Car Is The Audi A4?
The Audi A4 is a compact executive car that has been produced by the German automaker Audi since 1994. The A4 has been built in five generations and is based on the Volkswagen Group B platform.
- The first generation A4 was launched in October 1994, with production starting in November 1994. The car was available as a sedan or wagon, and was also produced as a convertible from 1996 to 1999.
- The second generation A4 was launched in 2000, with production starting in 2001. The car was available as a sedan or wagon, and was also produced as a convertible from 2002 to 2006.
- The third generation A4 was launched in 2007, with production starting in 2008. The car was available as a sedan or wagon, and was also produced as a convertible from 2009 to 2012.
- The fourth generation A4 was launched in 2013, with production starting in 2014. The car is available as a sedan or wagon, and is also produced as a convertible.
- The fifth generation A4 is currently in production, with the first cars being delivered in early 2017. The car is available as a sedan or wagon, and will also be produced as a convertible.
Â
Audi A4 Dashboard Warning Lights and Color Descriptions
- Red warning lights on your Audi A4 dashboard are the most critical and indicate that a system or component on your vehicle is not functioning properly. If you see a red light, stop driving immediately and seek service.
- Yellow and orange warning lights are less critical, but still require attention. These may indicate a non-urgent problem or system malfunction. For example, if your Audi A4 has low engine oil pressure, the oil pressure light will turn on.
- Green and blue warning lights are informational only and let you know when certain systems are active, such as your headlights or high beams.
See also: Audi A3 Dashboard Warning Lights
 |
Audi A4 Battery/Charging Warning LightThe Audi A4 Battery/Charging Warning Light illuminates when there is a problem with the charging system. It could mean that the battery is not being charged properly, or that there is a problem with the alternator. If this light comes on while you are driving, it is best to pull over and shut off the engine. Once the engine is off, check the battery terminals to see if they are clean and free of corrosion. If they are dirty, clean them with a wire brush. If the battery terminals are clean, check the alternator belt to see if it is loose or damaged. If the belt is loose, tighten it. If the belt is damaged, replace it. Once you have checked and corrected any problems with the charging system, restart the engine and see if the warning light goes off. If it does not, take the car to a mechanic for further diagnosis. |
 |
Audi A4 Seat Belt Warning LightThe Audi A4 seat belt warning light is a visual indication that the vehicle’s occupants are not wearing their seat belts. This warning light is usually illuminated when the car is started, and it will remain on until the driver and all passengers have fastened their seat belts. If the Audi A4 seat belt warning light remains on after the seat belts have been fastened, it may indicate a problem with the seat belt system. In this case, it is advisable to have the system checked by a qualified technician as soon as possible. |
 |
Audi A4 Oil Temperature Warning LightThe Audi A4 has a warning light that looks like an oil can with a dripping oil symbol. This warning light comes on when the engine oil temperature is too high. If this warning light comes on, you should pull over and turn off the engine as soon as possible. Let the engine cool down for a few minutes before checking the oil level. If the oil level is low, add more oil until it reaches the correct level. If the oil level is fine, then you can restart the engine and continue driving. This warning light can also come on if there is a problem with the oil pressure sensor or the oil temperature sensor. If this is the case, you will need to have the vehicle checked by a qualified technician. |
 |
Audi A4 ABS Warning LightThe Audi A4 is equipped with an antilock braking system (ABS). This system prevents the wheels from locking up during sudden stops. If the ABS warning light comes on, it means that there is a problem with the system. It is important to have the system checked by a qualified technician as soon as possible. |
 |
Audi A4 EBD Warning LightThe Audi A4 EBD warning light comes on when there is an issue with the electronic braking system. This system helps to distribute the braking force evenly between the front and rear wheels. If this light comes on, it means that there is a problem with the system and it needs to be checked by a qualified mechanic. Do not continue to drive if this light is on as it could lead to further damage. |
 |
Audi A4 Brake Warning LightThe Audi A4 brake warning light is one of the most important dashboard lights. It is important to know what this warning light means so that you can take action if it comes on. The brake warning light comes on when there is a problem with the braking system. This could be something as simple as a loose wire or it could be a more serious issue. If the brake warning light comes on, you should have the brakes checked by a qualified mechanic as soon as possible. See more: Audi Brake Fluid Warning Light |
 |
Audi A4 Airbag Warning LightThe Audi A4 has a warning light that is shaped like a square with a circle in the middle. This warning light represents the airbag system. If this light comes on, it means that there is a problem with the airbag system. It could be a simple issue, such as a loose connection, or it could be something more serious. |
 |
Audi A4 VSA/ESC Warning LightThe Audi A4 VSA/ESC warning light comes on when there is a problem with the vehicle stability control system or the electronic stability control system. These systems help to keep the vehicle stable and prevent it from skidding or slipping. If the warning light comes on, it means that there is a problem with one of these systems. There are a few different things that could cause the warning light to come on. One possibility is that there is something wrong with the sensor that detects whether or not the wheels are slipping. Another possibility is that there is a problem with the ESC system itself. If the Audi A4 VSA/ESC warning light comes on, you should take the vehicle to a mechanic so that they can diagnose and fix the problem. |
 |
Audi A4 Forward Collision (FCW) Warning LightThe Audi A4 has a forward collision (FCW) warning light that is located on the dashboard. This light is designed to warn the driver of a potential collision with another vehicle or object. If this light comes on, it means that the system has detected a potential collision and is urging the driver to take evasive action. The driver should immediately reduce speed and distance from the vehicle ahead. If the FCW warning light comes on, it does not necessarily mean that a collision is imminent. However, it does indicate that the risk of a collision is increased and that the driver should take caution. |
 |
Audi A4 MIL(Malfunction Indicator Light) Warning LightThe MIL, or Malfunction Indicator Light, is a warning light that illuminates on the Audi A4's dashboard to warn the driver of a problem with the vehicle. The light is usually red or yellow, and it may be accompanied by a message on the instrument cluster. If the MIL is illuminated, it means that there is a problem with the vehicle and it should be taken to a mechanic as soon as possible. The MIL may be illuminated for a number of reasons, such as a faulty sensor or an engine malfunction. If you see the MIL illuminated on your Audi A4's dashboard, do not ignore it! Take the vehicle to a mechanic as soon as possible to have it diagnosed and repaired. |
 |
Audi A4 Low Oil Pressure Warning LightThe Audi A4 Low Oil Pressure Warning Light is a warning light that comes on when there is low oil pressure in the engine. This warning light can be either yellow or red, and it is usually accompanied by a message on the dashboard that says "Low Oil Pressure". If you see this warning light, it is important to stop the car as soon as possible and check the oil level. If the oil level is low, add more oil until it reaches the proper level. If the oil pressure is still low after adding oil, there may be a problem with the engine and you should take the car to a mechanic for further diagnosis. |
 |
Audi A4 Tire Pressure Monitoring System (TPMS) Warning LightThe Audi A4 has a Tire Pressure Monitoring System (TPMS) that uses sensors to monitor the air pressure in your tires. If the pressure in one or more of your tires is too low, a warning light will appear on your dashboard. The TPMS warning light looks like a exclamation point inside a circle. If this light comes on, you should check your tires to see if they need more air. If the TPMS warning light is flashing, it means that there is a problem with the system and you should take your car to a dealer or mechanic to have it checked out. See more: Audi Tyre Pressure Warning Light |
 |
Audi A4 Engine Coolant Temperature LightThe engine coolant temperature light on your Audi A4 dashboard is there to warn you when the engine coolant temperature gets too high. This can happen for a number of reasons, such as over-heating due to heavy traffic or towing, or simply because the coolant level is low. If this light comes on, you should pull over as soon as possible and turn off the engine. Allow the engine to cool down before checking the coolant level and adding more if necessary. You may also need to call a tow truck if the vehicle is not safe to drive. |
 |
Audi A4 Power Steering Fault Warning LightThe Audi A4 power steering fault warning light comes on when there is a problem with the power steering system. This could be due to a low power steering fluid level, a problem with the power steering pump, or a faulty power steering rack. If you see this warning light, you should check the power steering fluid level and top it up if necessary. You should also check for any leaks in the power steering system and have them repaired as soon as possible. If the problem persists, you may need to have your power steering system checked by a qualified mechanic. |
 |
Audi A4 Air Conditioning Warning LightThe Audi A4 has a number of different warning lights that can pop up on the dashboard. One of these is the air conditioning warning light. This light comes on when there is a problem with the air conditioning system. It could be a simple issue like the system being turned off, or it could be something more serious like a leak in the system. If you see this light, it's important to take your car to an Audi dealer or mechanic so they can diagnose and fix the problem. Ignoring this light could lead to further damage to your car's air conditioning system. |
 |
Audi A4 Low Fuel Warning LightThe Audi A4 Low Fuel Warning Light is located on the dash and is meant to warn the driver when the fuel level is low. When this light comes on, it is time to refuel the vehicle. It is important to do this as soon as possible to avoid running out of gas. This light may also come on if the fuel tank is not properly sealed. If this is the case, it is important to have it repaired as soon as possible to avoid any potential problems. |
 |
Audi A4 Automatic Transmission FailureThe Audi A4 automatic transmission is one of the most common problems that owners face. The transmission can fail without any warning, and it can be very expensive to fix. If you own an Audi A4, it is important to be aware of the symptoms of transmission failure. One of the most common symptoms is the "check engine" light coming on. Other symptoms include the car not shifting gears properly, slipping out of gear, and strange noises coming from the transmission. If you notice any of these symptoms, it is important to take your car to a mechanic as soon as possible. The sooner you can get the problem fixed, the less expensive it will be. There are several things that can cause the Audi A4 automatic transmission to fail. One of the most common causes is a leak in the seals or gaskets. This can happen due to age or wear and tear. Another common cause is a problem with the torque converter. |
 |
Audi A4 Automatic Transaxle (AT) Warning LightThe Audi A4 automatic transaxle (AT) warning light comes on when the engine is started and should turn off within a few seconds. If the light does not turn off, there may be a problem with the AT system. If the Audi A4 AT warning light comes on while driving, it means that the AT system has been overloaded and needs to be checked by a qualified technician. Overloading the AT system can occur if the vehicle is driven too hard or for too long in hot weather conditions. It can also happen if the vehicle is carrying too much weight. |
 |
Audi A4 Fog Lambs Warning LightIf you see the Audi A4 fog light warning light on your dashboard, it means that your fog lamps are not working properly. There are two possible reasons for this: either the bulbs are burned out, or there is a problem with the fog lamp relay. If the bulbs are burned out, you will need to replace them. To do this, first locate the fuse box and find the fuse labeled "Fog Lamp." Once you have found the fuse, remove it and check to see if it is burnt out. If it is, replace it with a new one. If the fuse is not the problem, then the next step is to check the fog lamp relay. This can be found in the same fuse box as the fuse for the fog lamps. Remove the relay and check to see if there is any corrosion on the contacts. If there is, clean it off with a wire brush or sandpaper. If the corrosion is severe, you may need to replace the relay. Once you have checked both the fuse and relay, if the problem still persists, then there may be an issue with the wiring. You will need to consult a professional for this type of repair. |
If you see any of these Audi A4 dashboard warning lights, take appropriate action. Some symbols may mean that there is a problem with your car, while others may indicate that something needs to be serviced or repaired. However, if you're unsure about what a particular warning light means, it's always best to consult your owner's manual or ask a qualified mechanic. With the proper care and attention, your Audi A4 will continue to provide you with many years of driving enjoyment.
Read more: Audi Q5 Dashboard Warning Lights
Is a Audi A4 a good car?
The Audi A4 is an excellent choice for those in the market for a luxury sedan. It has been highly rated in terms of its interior and performance, while still being competitively priced compared to other vehicles in its class. However, there are many great picks available, so it pays to do your research before making a final selection.
How much does an Audi A4 cost?
The Audi A4 is a luxurious European car that fits within almost any budget. The base model 40 TFSI sedan starts at $39,900 and the S Line 45 TFSI sedan starts at $42,000. Those looking for something more adventurous can opt for the Allroad wagon starting at $45,500 or go all out with the S4 starting at $52,400. Regardless of which trim is chosen, a destination fee of $1,095 applies to all A4 models making them an even better value amongst other luxury vehicles in this class.
Is A4 a luxury car?
The 2020 Audi A4 Sedan is a mid-size vehicle that offers both luxury and technology. It is equipped with state-of-the-art features, such as the MMI infotainment system with touch response, Apple CarPlay and Android Auto integration, an in-car Wi-Fi hotspot, and more. The car also has eco-friendly engine technologies to help reduce emissions. Its sophisticated exterior design gives it an elegant look while its comfortable interior provides first class comfort. With all these features combined, the 2020 Audi A4 Sedan is sure to provide an enjoyable driving experience for all passengers.
Is Audi A4 discontinued?
The Audi A4 2021-2022 technology is no longer being produced due to its discontinuation. This decision from the company was made in order to focus more on creating newer and improved models for customers. Despite its discontinuation, remaining stock of this model is still available for purchase at some locations around the world. Consumers looking for a reliable and well-crafted vehicle may want to consider seeking out one of these discontinued models as an option.
Was this page helpful?
I was worried about all the dashboard warning lights. After doing some research, though, I'm really grateful for how detailed the symbols and meanings are! It's been so helpful to have such specific information on what each light is trying to tell me.