Understanding your Dacia Logan’s dashboard warning lights is crucial for preventing mechanical damage and ensuring road safety. These alerts provide real-time diagnostics, enabling prompt action to avoid costly repairs or hazardous driving conditions. Below is a comprehensive guide to major warning lights, categorized by urgency.

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Red Warning Lights (Stop Immediately)
Engine Coolant Temperature

Engine overheating or critically low coolant. Stop immediately, turn off the engine, and check coolant levels once cooled.
Brake System Alert

Low brake fluid or hydraulic failure. Park safely, check fluid levels, and contact a mechanic.
Battery Charge Fault

Charging system malfunction. Stop driving to prevent stalling and inspect electrical connections.
Low Oil Pressure

Insufficient engine oil circulation. Stop driving immediately to prevent engine damage; check oil level.
Airbag System Failure

Airbag or seatbelt tensioner malfunction. Visit a service center immediately.
ABS Failure

Anti-lock braking system disabled. Drive cautiously and repair promptly.
Steering Lock Malfunction

Steering system failure. Stop driving; towing may be required.
Fuel Cut-Off System

Fuel supply halted post-collision. Manual reset required before restarting.
Door Ajar Alert

Door or trunk unsecured. Secure closures before driving.
Engine Misfire (Flashing)

Catalytic converter risk due to unburned fuel. Reduce speed and seek urgent repair.
Power Steering Failure

Hydraulic/electric steering assist malfunction. Greater effort required to steer; stop driving.
Transmission Temperature

Gearbox overheating. Pull over, let the system cool, and check for leaks.
Yellow/Amber Warning Lights (Action Required Soon)
Low Tire Pressure

Moderate pressure loss. Inflate tires to recommended PSI soon.
Brake Pad Wear

Pads worn beyond safe limits. Replace soon to maintain braking efficiency.
DPF Blocked

Diesel particulate filter soot buildup. Drive at highway speed to regenerate.
Glow Plug Issue

Diesel ignition assist fault. Cold starts may be difficult; schedule service.
Washer Fluid Low

Windshield washer reservoir empty. Refill to maintain visibility.
ESP/ESC Malfunction

Traction control disabled. Drive cautiously on slippery surfaces.
Key Not Detected

Key fob battery low or signal interference. Replace battery.
Water in Fuel Filter

Contaminated diesel filter. Drain water or replace filter.
Service Due Reminder

Scheduled maintenance overdue. Book an appointment.
Exterior Lights Failure

Blown bulb or electrical issue. Check bulbs, fuses, or wiring.
Loose Fuel Cap

Cap improperly sealed. Tighten or replace to prevent fuel evaporation.
Generic Warning Triangle

Indicates issues like oil sensor faults or parking sensor errors. Investigate promptly.
Start/Stop System Fault

Auto start-stop malfunction. Schedule diagnostics.
Suspension Fault

Suspension system failure. Avoid rough terrain and repair soon.
Green Warning Lights (Information Only)
Cruise Control Active

Speed set and maintained automatically.
Turn Signal Active

Indicator blinking for lane changes or turns.
Eco Mode Engaged

Fuel-efficient driving mode activated to maximize range.
Headlights On

Low beams or daytime running lights active.
High Beam Active

Long-range headlights illuminated for dark roads.
Rear Fog Lights

Enhanced visibility in heavy fog conditions.
Electric Parking Brake

Parking brake engaged. Disengage to drive.
Seatbelt Reminder (Stationary)

Passenger unbuckled while parked. Fasten before driving.
Trunk Open

Liftgate or trunk ajar. Secure before driving.
Drive Mode Selected

Comfort, Sport, or Eco mode active.
Parking Assist Active

Sensors guiding parking maneuvers.
Rain Sensor Active

Automatic wipers adjust based on rainfall intensity.
All-Wheel Drive

Power distributed to all wheels for improved traction (if equipped).
Dipped Headlights

Standard headlights activated for nighttime driving.
When looking at Renault Dacia, make sure to check out our guides on models like the Dacia Duster, Dacia Sandero, and Dacia Sandero Stepway. 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.
Address red alerts immediately to prevent safety risks. Schedule service for amber warnings to avoid escalation. Use green indicators to optimize driving systems. Consult your Dacia Logan manual for model-specific details.

