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Red Warning Lights (Stop Immediately)
Engine Oil Pressure
Low oil pressure can cause engine damage from lack of lubrication. Stop the car right away, check oil level, and add if needed; do not drive until fixed to avoid overheating or seizure.
Brake System Alert
Indicates a brake malfunction, such as low fluid or hydraulic failure. Pull over safely and contact a mechanic immediately to prevent loss of braking power.
Coolant Temperature
Engine coolant is too hot or low, risking severe damage. Stop driving, let the engine cool, check coolant level, and seek service before resuming.
Airbag System
Fault in airbags or seatbelt pretensioners, compromising crash protection. Stop and have it inspected at a service center right away for safety.
Battery Charge
Battery not charging properly, possibly due to alternator issues. Stop soon and get professional help to avoid electrical failure or stranding.
Transmission Malfunction
Problem with the gearbox, like overheating or sensor failure. Park immediately and call for service to prevent drivetrain damage.
Power Steering Failure
Steering system fault making handling difficult. Stop safely and arrange towing to a mechanic for repair.
Hood Open
The hood is not securely closed, posing a risk while driving. Pull over, secure the hood, and ensure it’s latched before continuing.
Seatbelt Reminder
Driver or passenger not buckled up, increasing injury risk in a crash. Stop and fasten all seatbelts before proceeding.
Door Ajar
A door is not fully closed, which could open unexpectedly. Stop, check all doors, and close them securely.
Brake Fluid Low
Brake fluid level is insufficient, affecting stopping ability. Park immediately and top up fluid or seek service.
Engine Overheating
Engine temperature critically high, often from cooling system issues. Stop, turn off engine, and cool down before checking.
ABS Failure
Anti-lock braking system not working, risking wheel lockup. Stop and get it fixed promptly for safe braking.
Emergency Brake Engaged
Parking brake is on while driving, causing drag or wear. Stop, release the brake, and check for faults.
Yellow/Amber Warning Lights (Action Required Soon)
Tire Pressure Monitoring
One or more tires underinflated, affecting handling and efficiency. Check and inflate tires soon; inspect for leaks.
Check Engine
Engine or emissions issue, like a sensor fault. Reduce speed and visit a service center for diagnosis to avoid damage.
ESP Stability Control
Electronic stability program fault, reducing traction control. Drive carefully and get it checked at a service center.
Glow Plug System
Diesel engine preheat issue, possibly faulty plugs. Have it inspected soon to ensure proper starting and emissions.
DPF Filter
Diesel particulate filter clogged, impacting exhaust. Drive at higher speeds if prompted, or seek cleaning service.
Brake Pads Worn
Brake pads nearing end of life, reducing stopping power. Replace pads at a service center before they fail.
Lane Assist Malfunction
Lane departure warning not detecting lines properly. Clean sensors and book service if it persists.
Air Suspension Fault
Suspension system issue, lowering ride height. Avoid rough roads and get it repaired soon.
Fuel Cap Loose
Fuel cap not sealed, causing evaporation or check engine light. Tighten cap and reset if needed.
Door or Trunk Ajar Alert
A door or trunk slightly open. Close securely and check latches; service if it recurs.
Eco Mode Inactive
Eco driving mode disabled due to conditions. No action needed unless persistent; check manual for details.
Green Lights (Information Only)
Cruise Control Active
System maintaining set speed. No action required; adjust as needed via controls.
Turn Signal Indicator
Blinking to show left or right turn signal is on. Turns off automatically after turn.
High Beam On
Headlights in high beam mode for better visibility. Dim when oncoming traffic approaches.
Start/Stop System
Engine auto-stop active at idle to save fuel. Releases brake to restart.
Front Fog Lights
Fog lights activated for low visibility. Turn off when conditions improve.
Rear Fog Lights
Rear fogs on for safety in fog. Deactivate in clear weather to avoid blinding others.
Parking Lights
Sidelights on for visibility when parked. Ensure they’re off when leaving.
Transmission in Drive
Gearbox in drive mode. Ready for normal operation.
When looking at Audi, make sure to check out our guides on models like the Audi S5, Audi S4, Audi SQ8, and Audi SQ7. Understanding dashboard warning lights is essential. Our expert reviews break down what each light means, highlighting common alerts for these models and what they could signal about underlying issues, so you’re never left guessing behind the wheel.
