Tesla Model 3 Dashboard Warning Lights Meaning

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David Lawrence

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.

Tesla Model Dashboard Warning Lights

Red Warning Lights (Stop Immediately)

Battery Warning (Red)

Battery Warning Light
Critical fault in the high-voltage battery. Pull over safely, exit the vehicle, and contact Tesla Service immediately.

Parking Brake Fault

Parking Brake Light
Malfunction in the electric parking brake. Manually engage the brake and seek urgent service.

Airbag System Error

Airbag Warning Light
Airbag sensors or deployment system disrupted. Stop driving and schedule immediate inspection.

Power Steering Assist Fault

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

Brake System Alert

Brake Failure Warning Light
Hydraulic brake failure or low brake fluid. Park immediately and contact Tesla Support.

Thermal System Overheating

Engine Coolant Temperature Warning Light
Battery or motor cooling system failure. Stop driving to prevent damage.

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 seat belt immediately.

Security Alert

Security Warning Light
Anti-theft system error or tampering detected. Check key fob or app connectivity.

ABS Malfunction

ABS
Anti-lock braking system failure. Drive cautiously; standard brakes remain functional.

Regenerative Braking Disabled

Regenerative Brake Warning Light
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

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

Yellow/Amber Warning Lights (Action Required Soon)

Tire Pressure Alert (TPMS)

Tyre Pressure Warning
Low tire pressure or sensor fault. Inflate tires to 42 PSI or service sensors.

Electronic Stability Control (ESC) Active

ESC Braking Warning Light
Stability system minimizing wheel spin. Reduce speed on slippery surfaces.

Low Washer Fluid

Washer Fluid Level Warning
Windshield fluid reservoir low. Refill to maintain visibility.

Service Required

Service Due Indicator Light
Routine maintenance overdue (e.g., cabin air filter, brake fluid). Schedule inspection.

Key Fob Battery Low

Key Fob Battery Warning Light
Key fob battery depleted. Replace CR2032 battery promptly.

Blind Spot Monitoring Off

Blind Spot Monitoring Warning Light
Sensors obstructed by dirt/snow. Clean rear bumper areas.

Lane Departure Warning

Basic RGB
Camera/sensor blocked. Clean windshield or recalibrate cameras.

Traffic Light Recognition Limited

Traffic Light Recognition Limited
Poor visibility of traffic lights. Manually control acceleration/braking.

Brake Pad Wear

Brake Pads Warning Light
Worn brake pads detected. Schedule replacement soon.

Charge Port Alert

Charge Port Door Alert
Charger not fully connected or port issue. Reconnect or inspect for damage.

Software Update Available

Software Update Available
New system update pending. Install via Wi-Fi when parked.

Cabin Climate Control Reduced

Climate Control Warning
HVAC system error. Schedule service if issue persists.

Green Warning Lights (Information Only)

Cruise Control Active

Adaptive Cruise Control Warning Light
Speed set and maintained. Adjust via steering wheel scroll or brake pedal.

Turn Signals

Turn Signal Active
Blinkers in use. Cancel manually after lane changes.

High Beam Headlights

High Beam Indicator
High beams activated. Auto-dimming adjusts for oncoming traffic.

Parking Lights On

Parking Lights On
Exterior lamps engaged. Switches off automatically when parked.

Dog Mode

Tesla,Car,,Vienna,,Austria,,July,2019:,Close,Up,Senior,Dog
Cabin climate maintained for pets. Displays temperature on touchscreen.

Regenerative Braking Active

Regenerative Brake Warning Light
Energy recovery during deceleration. Adjust strength via driving settings.

Navigation Guidance

Navigation Device In Modern Car
Route directions displayed. Follow prompts or mute audio.

Scheduled Departure Preconditioning

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.

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.