Understanding Tesla Model 3 dashboard warning lights is critical for safety and maintaining optimal electric vehicle performance. Immediate response to red alerts prevents serious damage, while amber/green indicators ensure smooth operation of advanced driver-assistance systems.

Quick Navigation
Red Warning Lights (Stop Immediately)
Battery Warning (Red)

Critical fault in the high-voltage battery. Pull over safely, exit the vehicle, and contact Tesla Service immediately.
Parking Brake Fault

Malfunction in the electric parking brake. Manually engage the brake and seek urgent service.
Airbag System Error

Airbag sensors or deployment system disrupted. Stop driving and schedule immediate inspection.
Power Steering Assist Fault

Steering system malfunction. Restart the vehicle; if persistent, avoid driving.
Brake System Alert

Hydraulic brake failure or low brake fluid. Park immediately and contact Tesla Support.
Thermal System Overheating

Battery or motor cooling system failure. Stop driving to prevent damage.
Door Ajar

Door/trunk not fully closed. Secure properly to prevent accidents.
Seat Belt Reminder

Driver/passenger unbuckled. Fasten seat belt immediately.
Security Alert

Anti-theft system error or tampering detected. Check key fob or app connectivity.
ABS Malfunction

Anti-lock braking system failure. Drive cautiously; standard brakes remain functional.
Regenerative Braking Disabled

Energy recovery system failure. Service required to restore efficiency.
Autopilot/FSD Unavailable
Critical sensor/camera obstruction or failure. Clean sensors or seek service.
Master Warning Light

General critical system fault. Check the touchscreen for specific alerts.
Yellow/Amber Warning Lights (Action Required Soon)
Tire Pressure Alert (TPMS)

Low tire pressure or sensor fault. Inflate tires to 42 PSI or service sensors.
Electronic Stability Control (ESC) Active

Stability system minimizing wheel spin. Reduce speed on slippery surfaces.
Low Washer Fluid

Windshield fluid reservoir low. Refill to maintain visibility.
Service Required

Routine maintenance overdue (e.g., cabin air filter, brake fluid). Schedule inspection.
Key Fob Battery Low

Key fob battery depleted. Replace CR2032 battery promptly.
Blind Spot Monitoring Off

Sensors obstructed by dirt/snow. Clean rear bumper areas.
Lane Departure Warning

Camera/sensor blocked. Clean windshield or recalibrate cameras.
Traffic Light Recognition Limited

Poor visibility of traffic lights. Manually control acceleration/braking.
Brake Pad Wear

Worn brake pads detected. Schedule replacement soon.
Charge Port Alert

Charger not fully connected or port issue. Reconnect or inspect for damage.
Software Update Available

New system update pending. Install via Wi-Fi when parked.
Cabin Climate Control Reduced

HVAC system error. Schedule service if issue persists.
Green Warning Lights (Information Only)
Cruise Control Active

Speed set and maintained. Adjust via steering wheel scroll or brake pedal.
Turn Signals

Blinkers in use. Cancel manually after lane changes.
High Beam Headlights

High beams activated. Auto-dimming adjusts for oncoming traffic.
Parking Lights On

Exterior lamps engaged. Switches off automatically when parked.
Dog Mode

Cabin climate maintained for pets. Displays temperature on touchscreen.
Regenerative Braking Active

Energy recovery during deceleration. Adjust strength via driving settings.
Navigation Guidance

Route directions displayed. Follow prompts or mute audio.
Scheduled Departure Preconditioning

Battery/climate preheating for efficiency. Set via charging menu.
This list aligns with Tesla Model 3’s touchscreen alerts and owner’s manual guidelines, prioritizing safety and proactive maintenance.

