Hyundai Tucson Dashboard Warning Lights Meaning

Photo of author

David Lawrence

Understanding Hyundai Tucson dashboard warning lights is crucial for preventing mechanical failures and ensuring safety. Immediate response to red alerts can prevent breakdowns, while amber/green indicators help maintain optimal performance.

Hyundai Tucson Dashboard Warning Lights

Red Warning Lights (Stop Immediately)

Brake System Alert

Brake Failure Warning Light
Low brake fluid or hydraulic failure. Park safely and avoid driving until serviced.

Low Oil Pressure

Oil Pressure Warning Light
Critically low oil level or pump malfunction. Stop the engine and check oil level immediately.

Battery Charge Warning

Battery Warning Light
Faulty alternator or electrical connection. Stop driving to prevent stalling.

Engine Overheating

Engine Coolant Overheating Warning Light
Coolant temperature critically high. Turn off the engine and check coolant level.

Airbag System Fault

Airbag Warning Light
Airbag sensors or connectors disrupted. Seek immediate service to restore safety.

Power Steering Failure

Power Steering Warning
Steering system malfunction. Restart the vehicle; if persistent, avoid driving.

Door/Trunk Ajar

Doors Open Warning Light
Door or trunk not fully closed. Secure properly to prevent accidents.

Seat Belt Reminder

Seatbelt Warning Light And Buzzer
Driver/passenger unbuckled. Fasten immediately for safety.

Security Alert

Security Warning Light
Anti-theft system error. Check key or sensor interference.

Coolant Level Warning

Coolant Level Warning
Low coolant. Refill promptly to avoid engine damage.

Transmission Fault

Powertrain Malfunction Light
Gearbox malfunction. Stop driving to prevent further damage.

Check Engine (Flashing)

Check Engine Warning Light
Severe engine misfire. Avoid driving and seek urgent diagnostics.

Tire Pressure (Rapid Loss)

Tyre Pressure Warning
Fast air leakage detected. Check for punctures and inflate.

Parking Brake Engaged

Parking Brake Light
Parking brake active. Release before driving.

ABS Malfunction

ABS
Anti-lock braking system failure. Drive cautiously and service immediately.

Yellow/Amber Warning Lights (Action Required Soon)

ESC/ESP Off

ESC Braking Warning Light
Stability/traction control disabled. Reactivate systems or service.

Low Washer Fluid

Washer Fluid Level Warning
Windshield fluid reservoir low. Refill for clear visibility.

Service Due

Service Due Indicator Light
Routine maintenance overdue. Schedule inspection.

DPF Alert

Diesel Particulate Filter (DPF)
Clogged diesel particulate filter. Drive at highway speeds to regenerate.

Eco Mode Inactive

Eco Mode
Fuel-saving mode disabled. Reset or diagnose underlying issue.

Keyless Access Fault

Key Fob Battery Warning Light
Smart key not detected. Replace battery or reposition key.

Blind Spot Monitoring Off

Blind Spot Monitoring Warning Light
Sensors obstructed or malfunctioning. Clean or service.

Lane Departure Warning

Basic RGB
System error or blocked sensors. Clean windshield camera.

Low Fuel

Low Fuel Levels
Fuel level critically low. Refuel promptly.

Bulb Failure

Warning Message Light
Exterior light malfunction. Replace bulb to maintain visibility.

Overdrive Off

Overdrive System Indicator
Transmission not shifting optimally. Check settings or service.

Green Warning Lights (Information Only)

Cruise Control Active

Smart Cruise Control Fault
Speed set and maintained. Deactivate when not needed.

Eco Mode Active

Eco Mode
Fuel-efficient driving enabled. No action required.

Turn Signals

Turn Signal Active
Blinkers in use. Cancel after lane changes.

High Beam Indicator

High Beam Indicator
Headlights on high beam. Switch to low beam in traffic.

Parking Lights On

Parking Lights On
Parking lights engaged. Switch to auto mode if available.

Fog Lights On

Front Fog Warning Light
Front/rear fog lights active. Turn off in clear conditions.

All-Wheel Drive

All Wheel Drive Warning Light
4×4 system engaged. Ideal for slippery surfaces.

Ready Indicator (Hybrid)

Plug In Hybrid Mode Indicator
Vehicle powered on. Normal operation.

Auto Hold Active

Auto Hold
Brakes automatically hold at stops. Release via accelerator.

Gear Indicator

Gear Shift Indicator Light
Current transmission gear shown. Automatic mode requires no input.

Start/Stop System

Start Stop System Warning
Engine off at stops. Functioning normally.

Navigation Guidance

Navigation Device In Modern Car

Route directions displayed. Follow prompts or mute.

About the author
David Lawrence
David grew up among mechanics and off-road enthusiasts, gaining deep knowledge in car mods, off-roading techniques, and automotive engineering, making him a trusted 4x4 expert.