Toyota Highlander Dashboard Warning Lights Meaning

Photo of author

David Lawrence

Understanding Toyota Highlander dashboard warning lights is vital for safety and preventing mechanical issues. Immediate response to red alerts avoids breakdowns, while amber/green indicators ensure optimal vehicle performance.

Toyota Highlander Dashboard Warning Lights

Red Warning Lights (Stop Immediately)

Brake System Alert

Brake Failure Warning Light
Low brake fluid or hydraulic failure. Park immediately, check fluid levels, and contact a mechanic.

Low Oil Pressure

Oil Pressure Warning Light
Critically low oil level or pump malfunction. Stop driving, check oil level, and refill or seek service.

Engine Overheating

Check Engine Warning Light
Coolant temperature critically high. Turn off the engine, let it cool, and check coolant level.

Charging System Warning

Battery Warning Light
Faulty alternator or battery. Stop driving to prevent stalling and service immediately.

Airbag System Fault (SRS)

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

Power Steering Failure

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

Coolant Level Warning

Engine Coolant Temperature Warning Light
Low coolant. Refill promptly to avoid engine damage.

Transmission Fault

Transmission Warning Light
Gearbox malfunction. Stop driving to prevent further damage.

Tire Pressure (Rapid Loss)

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

Master Warning Light

Master Warning Light
General critical system fault. Check dashboard for specific alerts.

Door Ajar

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

Seat Belt Reminder

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

Fuel Shut-Off Alert

Low Fuel Levels
Fuel supply interrupted (e.g., post-collision). Restart or seek assistance.

ABS Malfunction

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

Yellow/Amber Warning Lights (Action Required Soon)

Maintenance Required

Maintenance Required
Routine service overdue. Schedule inspection to prevent wear.

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.

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.

Loose Gas Cap

Fuel Cap Warning Light
Fuel cap not secured. Tighten or replace to prevent emissions issues.

DPF Alert

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

T-Belt Warning

T Belt Warning
Timing belt replacement due. Schedule service to avoid engine damage.

Brake Override Warning

Brake Override Warning
Fault in brake override system. Service to restore pedal responsiveness.

Green Warning Lights (Information Only)

Cruise Control Active

Adaptive Cruise Control Warning Light
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.

4WD Engaged (4LO/4HI)

All Wheel Drive Warning Light
All-wheel drive active. Ideal for off-road or slippery surfaces.

Ready Indicator

Ready 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 temporarily 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.