Understanding dashboard lights on your John Deere is essential for both safety and proper maintenance. Ignoring these indicators can lead to major mechanical failures or safety risks, while early action keeps you and your machine in top shape.

Red Warning Lights (Stop Immediately)

Engine Oil Pressure

Low engine oil pressure or overheating. Stop, turn off engine, and check oil level right away.

Engine Coolant Temperature

Engine coolant is overheating. Stop the engine, allow it to cool, and check coolant levels.

Brake System Alert

Low brake fluid or hydraulic failure. Stop in a safe place and contact a mechanic.

Battery Charge

Battery is not charging. Electrical issue likely; stop and get your system checked.

Airbag System Fault

There’s an issue with the airbag system. Visit a service center immediately.

Seatbelt Reminder

Driver or passenger seatbelt not fastened. Buckle up to drive safely.

STOP Indicator

Serious malfunction detected. Shut off the engine immediately and investigate cause.

Transmission/Hydraulic Oil Pressure

Transmission or hydraulic oil pressure is too low. Stop, let it cool, and check fluid levels.

Handbrake Engaged While Driving

Handbrake is applied while moving. Stop, disengage handbrake before proceeding.

Steering Fault

Steering system problem detected. Stop the vehicle; may cause loss of control.

Water in Fuel Filter

Too much water in the fuel filter. Stop and service filter to avoid engine damage.

Service Electric Parking

Parking brake system has a technical defect. Needs emergency service.

DPF (Diesel Particulate Filter) Fault

DPF system malfunction. Risk of severe engine problems—stop and seek service.

Engine System Fault

Amber indicates minor fault; red means stop immediately and service needed.

Doors Ajar

A door is open. Stop and close all doors securely.

Amber/Yellow Warning Lights (Action Required Soon)

ABS (Anti-lock Braking System)

ABS not working properly. Braking available, but without ABS safety; get checked.

Traction Control/ESP

Traction control or stability system fault. Drive carefully and book a checkup.

Tire Pressure Monitoring

Tire pressure too low or faulty sensor. Check tires soon.

Glow Plug Indicator (Diesel)

Glow plugs warming up. Wait for light to go out before starting engine; book service if stays on.

Check Air Cleaner

Air filter is blocked or needs servicing. Replace or clean soon.

Fuel Filter

Fuel filter dirty or worn. Clean or replace at your next stop.

All Wheel Drive Warning

AWD system issue detected. Service if light stays on.

Loose Fuel Cap

Fuel cap not closed properly. Tighten to prevent fuel loss.

Service Alert

General malfunction; consult information display and get service if needed.

PTO (Power Take-Off) Malfunction

Rear or front PTO not working correctly. Check for faults and service.

Hydraulic System Fault

Issue with hydraulic system; reduced performance—get it checked soon.

Regeneration Required (DPF)

DPF needs regeneration. Follow instructions or service soon.

Green Warning Lights (Information Only)

High Beam Indicator

High beam headlights are on. For night driving visibility only.

Turn Signal

Left or right turn signal is active. Shows which direction is signaled.

Neutral Indicator

Transmission or reverser in neutral. Indicates safe to start the engine.

Park Brake Engaged (Parked)

Handbrake is engaged. Safe for parking.

PTO Engaged Indicator

Rear or front PTO engaged. Shows PTO is active for implements.

Front Wheel Drive Engaged

Front-wheel drive mode is active.

Cruise Control Set

Eco mode or cruise control is active for fuel-efficient driving.

Dipped Headlights

Standard headlights are on for low-light conditions.

Hazard Warning

Hazard lights are flashing to alert others.

Fuel Level

Indicates remaining fuel. Information only; plan to refuel if low.

Tachometer/Engine RPM

Shows current engine speed in revolutions per minute (RPM).

Information Display

Non-warning message; provides data, such as speed or fault codes.

Program Mode Active (e.g., HMS, automation)

Automated headland or implement sequences are active.

Trailer Turn Signal

Trailer turn indicators are active, showing trailer is signaling a turn.

This exhaustively covers all typical warning and information lights on most John Deere machines, organized for easy reference. Always consult your operator’s manual for model-specific symbols and actions.