Understanding your MG MG3’s dashboard warning lights is crucial for preventing mechanical failures and ensuring safe driving. These indicators alert you to urgent issues, maintenance needs, or active systems, enabling timely action to avoid costly repairs or accidents. Below is a comprehensive guide to all major warning lights specific to the MG MG3.

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Red Warning Lights (Stop Immediately)
Brake System Alert

Low brake fluid or hydraulic failure. Park safely, check fluid levels, and contact a mechanic immediately.
Engine Oil Pressure

Low oil pressure detected. Stop the car, check oil levels, and avoid driving until resolved.
High Coolant Temperature

Engine overheating. Turn off the vehicle, allow it to cool, and check coolant levels.
Airbag/SRS Malfunction

Airbag or seatbelt system fault. Do not drive until serviced to restore safety features.
Charging System Fault

Alternator or battery failure. Stop driving to prevent electrical system shutdown.
ABS Failure

Anti-lock brake system disabled. Drive cautiously and service urgently.
Low Fuel (Critical)

Fuel tank nearly empty. Refuel immediately to avoid stalling.
Door Ajar

Door or trunk not fully closed. Secure all openings before driving (flashes with audible warning).
Immobilizer Fault

Anti-theft system error. Restart the vehicle; if unresolved, seek professional help.
Coolant Level Low

Insufficient coolant. Refill to prevent engine damage.
Transmission Fault

Gearbox malfunction. Stop driving to avoid further damage.
Engine Stop Warning

Critical engine issue detected. Pull over and turn off the engine immediately.
Parking Brake Not Applied

Parking brake disengaged when the ignition is off. Apply brake to stop alarm.
Exhaust Particulate Filter Blocked

Diesel filter clogged (if applicable). Clean or replace to restore efficiency.
Yellow/Amber Warning Lights (Action Required Soon)
Check Engine Light (Solid)

Emission or engine issue. Schedule diagnostics to prevent performance loss.
Low Tire Pressure

Tire pressure below threshold. Inflate to recommended PSI.
Washer Fluid Low

Windshield fluid low. Refill reservoir for clear visibility.
Brake Pads Worn

Brake pads nearing end of life. Replace promptly for optimal braking.
ESC/ESP Fault

Traction control disabled. Service needed for stability system.
Maintenance Due

Routine service required. Schedule inspection for fluids, filters, or brakes.
Diesel Particulate Filter (DPF)

Filter clogged with soot. Drive at highway speeds to regenerate or service.
Power Steering Reduced

Steering assist limited. Allow the system to cool or schedule repair.
Emission Control Fault

Exhaust system issue. Service to avoid catalytic converter damage.
Fuel Cap Loose

Loose or missing fuel cap. Tighten or replace to prevent emissions leaks.
Air Suspension Fault

Suspension system error. Inspect for leaks or sensor issues.
Adaptive Lighting Fault

Headlight alignment error. Adjust or repair headlights.
Glow Plug Warning (Diesel)

Diesel engine warming up. Wait before driving for optimal performance.
Green Warning Lights (Information Only)
Cruise Control Active

Speed set and maintained. Adjust using steering wheel controls.
Turn Signals

Directional indicators in use. No action needed.
Fog Lights On

Front/rear fog lights activated. Turn off when visibility improves.
Daytime Running Lights

Lights operating normally. No intervention required.
Eco Mode

Fuel-efficient driving mode engaged. Optimizes throttle response.
Regenerative Braking

Energy recovery intensity displayed. Adjust via paddle shifters (if applicable).
Drive Mode Selected

Eco, Normal, or Sport mode active. Alter vehicle performance settings.
Exterior Lights On

Headlights or taillights active. Turn off when parked.
Auto Hold Engaged

Vehicle remains stationary on inclines. Release via accelerator pedal.
Navigation Guidance

Route directions displayed. Follow prompts or adjust as needed.
Heated Seats

Seat heating activated. Adjust level as needed.
Heated Windscreen

Windscreen defrosting active. Turns off automatically.
Auto Idle Stop

Engine off at stops. Restarts when accelerator is pressed.
Low Coolant Temperature (Blue)

Engine warming up. Avoid aggressive acceleration until temperature normalizes.
Address red warnings immediately to prevent hazards. Schedule service for amber alerts to maintain performance. Green lights provide status updates for convenience features. Regular attention to these indicators ensures your MG MG3 remains safe and reliable.

