The Audi A4 Sedan is more powerful, more efficient, and smarter. It combines technology and aesthetics to deliver the most refined sedan experience in its class.
This guide is designed to help you discover what each warning light on the dashboard of your Audi means and what actions you should take if one or more of them come on. Your car is equipped with sensors and safety mechanisms to ensure that your vehicle is operating at its best performance while keeping driver and other passengers safe. We understand that when a warning light arrives on your Audi, it can be daunting, especially if you are not sure or aware of what to do. You must know how to respond to each Audi warning light to reduce any further damage to your vehicle and ensure it is safe.
Each information symbol is presented along with a description of its meaning and what action you should take based on manufacturers' instructions. Many warning lights, mainly green symbols, are used to tell the driver that the system or utility has been switched on. Orange and yellow symbols are used to report a maintenance issue, or that system has been deactivated when it is switched on by default. Red warning lights are of a particular issue and should be dealt immediately. If you are unsure of the meaning of a red warning light, it is advisable to pull off the road and investigate safely.
Audi A4 indicator light on the dashboard remains on until the safety belt of the driver's and front passenger's safety belt is fastened. Above a certain speed, there will also be a warning tone.
Suppose your Audi Airbag warning light is on in the instrument cluster when the ignition is turned on or turns on or flashes while driving. In that case, it symbolizes a problem with the Supplemental Restraint System (SRS), or there may be a fault in one of the safety systems. Immediately drive to an authorized Audi dealer or authorized Audi Service Facility to have the failure corrected.
Stop immediately in a suitable place. Do not proceed driving as there is a fault in the Hand brake system of Audi A4. Contact Audi dealer for assistance.
Bonnet warning Symbol appears on the dashboard of Audi A4, maybe when the bonnet is not locked, or the locking mechanism is not engaged correctly. Stop the vehicle immediately, check the lock, and close it.
There is a malfunction in the ABS or electronic differential lock of the Audi A4. This also causes the ESC to malfunction. ABS is not active.
If the indicator light blinks, ESC, or ASR is actively regulated. If the indicator light remains on, the system turns the ESC off. You can turn the ignition off and then on again to turn the ESC back on. When the system is fully functioning, the indicator light turns off.
If there is a malfunction in the ABS or electronic differential lock, it also causes ESC malfunction in the Audi A4. ABS is not active. Drive your Audi dealer carefully for assistance.
Audi A4 dashboard sign stabilization control (ESC)-offroad shows the warning "Loss of stability." The electronic stabilization control was switched off using the "ESC OFF" console button. Press the button again to turn the ESC back on.
Audi A4 Runflat dashboard indicator reports a loss of pressure in a tire. Slow down and carefully stop the car. Avoid violent or sudden braking and steering maneuvers.
Audi A4 Dashboard Yellow Power Steering Warning Sign Indicates a Steering system faulty. You can continue driving, but note that the steering wheel is harder to turn than usual. Contact nearby Audi dealer to repair it as soon as possible.
The dashboard warning sign of engine function is illuminating; it means Audi A4 generates increased exhaust emissions. You can continue your journey. Exhaust system faulty.
When it flashes, it means that the increased engine load damages the catalytic converter. Drive with low engine load—possible engine fault. Get the vehicle checked by the service center.
Audi A4 dashboard symbol represents the rear fog lights being switched on. These rear fog lights only used in foggy conditions to avoid dazzling other drivers.
The Audi A4 Pre Sense is a safety function, including adaptive cruise control, side assist, lane assist, etc. The system includes radar and camera systems to track road and traffic conditions. A common reason for illuminating a pre-sense warning light is due to a radar unit or camera being obscured by dirt, snow, etc. Always keep the area clean and free of stickers or debris.
Lane Departure warning sign in Audi A4 will illuminate when there is a fault in the Lane Departure Warning system. Contact an authorized audi dealer as soon as possible to fix it.
This dashboard warning light indicates a fault with suspension control. Drive your Audi A4 to the nearest Audi dealer to check the fault.
Audi A4 dashboard displays a sign- yellow cogs that have an exclamation mark, which relates to transmission defects. Higher levels of stress are focused on the transmission components, increasing hard speed through launch control. This subject component increases pressure and wear.
The diesel particulate filter is used to trap harmful soot that would otherwise be released into the environment. DPF of Audi A4 is usually cleaned periodically without driver knowledge, however, on-the-spot driver intervention is required. Diesel engines are designed for long journeys. The DPF warning light can be lowered if short trips are taken only. If the DPF warning light comes on, the filter needs cleaning.
Audi A4 turn signal warning lights illuminate on the dashboard when turning left, right, or using hazard lights. If the indicator light flashes faster than usual, a turn indicator bulb has failed.
Audi A4 dashboard warning light informs the driver that the exterior lights/sidelights/parking lights/headlights are switched on.
Audi A4 dashboard Front Fog Light symbol represents the front fog lights are being switched on.
The Audi A4 Cruise Control dashboard Warning Light will illuminate when the cruise control is activated. This is a normal operating feature of the system. The speed setting is maintained using control functions on the steering wheel.
Green symbol on the dashboard of Audi A4 illuminates when the engine enters stop/standby mode.
Audi A4 dipped headlight symbol indicates that dipped light is on. It is basically used at nights. Pull the lever towards you for a temporary high beam, "Flash to pass" scenario.
The illuminating dashboard sign of High beam headlights on Audi A4 indicates the high beams are turned on.
The Central Indicator Light is shown on the Audi A4 Dashboard. It checks the message in the instrument cluster for additional information. The message Audi pre-sense and a warning tone will notify you about the danger.