Understanding your Nissan Sentra’s dashboard warning lights is crucial for preventing mechanical failures, ensuring safety, and maintaining optimal performance.
These indicators alert you to urgent issues, maintenance needs, or active systems, allowing timely action to avoid breakdowns or accidents. Below is a categorized guide to major dashboard lights specific to the Sentra.

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Red Warning Lights (Stop Immediately)
Engine Oil Pressure

Low oil pressure or overheating detected. Stop immediately, check oil levels, and avoid driving until resolved.
Brake System Alert

Low brake fluid or hydraulic failure. Park safely and contact a mechanic to prevent brake failure.
Coolant Temperature

Engine overheating. Turn off the engine immediately to prevent damage.
Airbag Warning

Airbag system fault. Immediate servicing required to ensure crash safety.
Charge System (Battery)

Battery or alternator failure. Stop driving to prevent stalling.
Master Warning

Generic alert for critical issues. Check the multi-information display for details.
Power Steering Failure

Steering system malfunction. Avoid driving and seek repairs.
Front Seat Belt

Unbuckled seatbelt while driving. Fasten immediately to avoid injury.
Door Ajar

Door not fully closed. Secure doors before driving.
Engine Overheating

Coolant temperature critically high. Stop and let the engine cool.
Reduced Power Warning

Engine output limited to prevent damage. Seek immediate service.
Transmission Warning

Transmission malfunction. Avoid heavy loads and service immediately.
Yellow/Amber Warning Lights (Action Required Soon)
Check Engine

Engine or emissions system fault. Schedule diagnostics to prevent further damage.
Tire Pressure Low

Underinflated tires. Inflate to recommended PSI for safety and efficiency.
ABS Warning

Anti-lock brake system fault. Service brakes promptly to maintain stability.
Electronic Stability Control

ESC/ESP system error. Drive cautiously and repair to prevent skidding.
Diesel Particulate Filter

Clogged filter (diesel models). Clean or replace the DPF to restore performance.
Glow Plug

Diesel pre-heat issue. Allow extra warm-up time in cold conditions.
Lane Departure Warning

System malfunction. Clean sensors or service to restore alerts.
Forward Collision Mitigation Off

Collision avoidance system disabled. Reactivate or service for safety.
Service Reminder

Scheduled maintenance due. Reset after servicing.
Air Filter Clogged

Dirty air filter. Replace to maintain engine performance.
Rain Sensor Fault

Automatic wiper error. Clean the windshield or service sensors.
Key Fob Battery Low

Key battery depleted. Replace the battery soon to ensure functionality.
Low Fuel

Fuel level critically low. Refuel soon to avoid breakdown.
Suspension Warning

Suspension system fault. Drive cautiously and schedule repairs.
Green Warning Lights (Information Only)
ECO Mode

Fuel-efficient driving active. Optimizes engine performance.
Turn Signal

Direction indicators in use. Cancels automatically after turns.
Cruise Control

Speed set and maintained. Deactivate when traffic changes.
Fog Lights

Front/rear fog lights on. Use only in low-visibility conditions.
Automatic High Beams

High beams auto-adjusted. Manual override available.
Winter Mode

Traction control optimized for snow/ice. Deactivate on dry roads.
Parking Assist

Sensors active for parking. Audible alerts for obstacles.
Lane Keep Assist

Steering corrections applied. Stay attentive to road conditions.
Auto Start-Stop

Engine stops at idle. Restarts when accelerating.
Rear Defrost

Rear window heating active. Turns off automatically.
Headlights On

Regular beams engaged. Switch off when parked.
Electric Vehicle Mode

Hybrid/PHEV running on battery. Recharge when depleted.
Drive Mode Select

Driving profile active (e.g., Normal, Sport). Adjusts performance.
Security System

Alarm armed. Disarms automatically with the key fob.
This guide helps you interpret dashboard alerts promptly, ensuring safety and vehicle longevity. Always consult your owner’s manual for model-specific details.
When looking at Nissan, make sure to check out our guides on models like the Nissan Leaf, Nissan Navara-Frontier, Nissan Kicks, and Nissan Quest. 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.
Always consult your owner’s manual when warning lights appear and seek professional diagnosis for persistent warnings to maintain your TOPIC’s performance, safety and longevity. The vehicle’s advanced diagnostic systems provide detailed fault codes that help technicians quickly identify and resolve issues.

