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Introduction
Understanding dashboard warning lights in your Nissan Frontier is essential for maintaining vehicle safety and preventing costly repairs. These lights alert you to potential issues, allowing you to address problems before they escalate into emergencies or breakdowns. By knowing what each light means, you can take prompt action to keep your truck running smoothly and ensure a safer driving experience.
Red (Stop Immediately)
Brake Warning Light
This light signals a problem with the braking system, such as low brake fluid or a hydraulic issue. Pull over safely right away, check the brake fluid level, and contact a mechanic if needed.
Engine Oil Pressure Warning Light
It indicates low oil pressure, which could lead to engine damage from overheating or lack of lubrication. Stop the vehicle immediately, check the oil level, and do not drive until the issue is fixed.
Charge Warning Light
This alerts you to a fault in the charging system, like a failing battery or alternator belt. Pull over, turn off the engine, inspect the belt for damage, and seek service if the light stays on.
Airbag Warning Light
It means there’s a problem with the airbag system that could prevent deployment in a crash. Stop driving and have the system checked by a professional right away.
Seat Belt Warning Light
This reminds you or passengers to buckle up, as unfastened belts increase injury risk. Fasten all seat belts immediately; if it persists, visit a service center.
Master Warning Light
It points to a serious issue detailed on the vehicle display, such as multiple system failures. Pull over safely and consult the owner’s manual or a mechanic for diagnosis.
Engine Temperature Warning Light
This shows the engine is overheating, possibly due to low coolant or a cooling system fault. Stop the vehicle, let it cool, check coolant levels, and get professional help.
Transmission Temperature Warning Light
It warns of overheating in the transmission, which can cause damage if ignored. Pull over to let it cool and have the system inspected immediately.
Power Steering Warning Light
This indicates a failure in the power steering system, making steering difficult. Stop driving and contact a service center to avoid loss of control.
Door Ajar Warning Light
It signals an open door, which poses a safety risk while driving. Stop and ensure all doors are securely closed before continuing.
Electric Shift Control System Warning Light
This alerts to a malfunction in the shift control, affecting gear changes. Stop and engage the parking brake, then seek repairs.
Hands Off Warning Light
It detects no hands on the steering wheel during assist modes, risking loss of control. Grip the wheel immediately or pull over to reset.
Immobilizer Warning Light
This indicates an issue with the anti-theft system, preventing the engine from starting. Stop and contact a dealer with the original key.
Yellow/Amber (Action Required Soon)
Low Tire Pressure Warning Light
This shows one or more tires have low air pressure, affecting handling and fuel efficiency. Check and inflate tires soon, or visit a service center if it persists.
Anti-lock Braking System (ABS) Warning Light
It means the ABS is not functioning, which could lead to wheel lockup during hard braking. Have the system checked by a mechanic as soon as possible.
Malfunction Indicator Light (Check Engine)
This signals an issue with the engine or emissions system, like a faulty sensor. Schedule a service visit soon to diagnose and fix.
Slip Indicator Light
It activates when traction is lost on slippery surfaces, indicating the stability system is working. If it stays on, get the vehicle dynamic control checked.
Automatic Emergency Braking Off Warning Light
This warns that the emergency braking system is disabled or faulty. Reactivate it if possible and have it inspected soon.
Electronic Parking Brake Warning Light
It points to a problem with the electronic parking brake. Test the brake and seek service if it doesn’t engage properly.
Rear Automatic Braking Off Warning Light
This indicates the rear braking assist is off or malfunctioning. Enable it and get a checkup to ensure safety.
Hill Descent Control Warning Light
It flashes if the hill descent system fails while active. Turn it off and have the system serviced before using steep slopes.
Security Indicator Light
This blinks to show the anti-theft system is armed, but if solid, there may be an issue. Check the system and consult a dealer if needed.
Washer Fluid Indicator Light
It alerts to low windshield washer fluid, reducing visibility in bad weather. Refill the fluid reservoir as soon as you can.
Lane Departure Warning Light
This activates if the vehicle drifts out of its lane unintentionally. Correct steering and have the system checked if it triggers falsely.
Overdrive Off Indicator Light
It indicates overdrive is disabled, affecting fuel economy. Reactivate if desired and check for transmission issues.
Green (Information Only)
High Beam Indicator Light
This shows the high beam headlights are on for better night visibility. Switch to low beams when approaching other vehicles.
Cruise Control Indicator Light
It confirms cruise control is active, maintaining a set speed. Adjust as needed or turn off in heavy traffic.
Turn Signal/Hazard Indicator Light
This flashes when turn signals or hazards are in use, alerting other drivers. Ensure they turn off after use.
Front Fog Light Indicator Light
It means the fog lights are on for improved visibility in fog. Turn them off in clear conditions to avoid blinding others.
Side Light and Headlight Indicator Light
This indicates parking or headlights are active. Use as needed for safety in low light.
SPORT Mode Indicator Light
It shows sport mode is engaged for enhanced performance. Switch modes based on driving conditions.
Eco Mode Indicator Light
This activates when eco mode is on, optimizing for fuel efficiency. Use it for everyday driving to save gas.
Hill Descent Control On Indicator Light
It confirms the system is active for controlled downhill driving. Deactivate on flat roads.
Automatic Brake Hold Indicator Light
This shows the brake hold is engaged, keeping the vehicle stopped without pressing the pedal. Release when ready to move.
Glow Plug Indicator Light
For diesel models, it shows the glow plugs are heating. Wait for it to turn off before starting the engine.
When looking at Nissan, make sure to check out our guides on models like the Nissan Versa, Nissan Micra, Nissan Note, and Nissan X-Trail. 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.
