Understanding dashboard warning lights in your Lexus RC is essential for maintaining vehicle safety, as they alert you to potential issues that could lead to accidents or breakdowns if ignored. These indicators help prevent costly repairs by prompting timely action, ensuring your car runs efficiently and reliably. By familiarizing yourself with them, you can respond quickly to problems and keep your driving experience smooth and secure.
Quick Navigation
Red Warning Lights (Stop Immediately)
Brake System Warning
This light signals a serious issue with the brakes, like low fluid or a malfunction that could make stopping unsafe. Stop the car right away in a safe spot and call for roadside help or a mechanic to check it.
Charging System Warning
It means there’s a problem with the battery or alternator, preventing proper charging. Pull over immediately, turn off the engine, and have it inspected to avoid being stranded.
Electric Power Steering Warning
Indicates a fault in the power steering system, making the wheel hard to turn. Stop driving as soon as possible and get it checked at a service center to restore safe handling.
SRS Airbag Warning
This warns of an issue with the airbags or seat belt pretensioners, which might fail in a crash. Stop and have the system inspected right away for safety.
Engine Oil Pressure Warning
Low oil pressure could damage the engine from lack of lubrication. Stop the vehicle immediately, check the oil level, and add if needed before driving to a mechanic.
High Coolant Temperature Warning
The engine is overheating, possibly due to low coolant or a faulty thermostat. Pull over safely, let it cool, and seek professional help to prevent engine damage.
Master Warning Light
A general alert for critical issues, often with a buzzer or message. Stop and check the display for details, then contact a service center urgently.
ABS Warning
Signals a problem with the anti-lock braking system, reducing control during hard stops. Stop driving and have it diagnosed to ensure safe braking.
Pre-Collision System Warning
Indicates a malfunction in the collision avoidance system. Pull over and get it fixed immediately to maintain safety features.
Slip Indicator (Flashing Red)
Means loss of traction or stability control failure in a critical way. Stop as soon as safe and inspect for issues like low tire pressure or sensor faults.
Low Brake Fluid Warning
Brake fluid is too low, risking brake failure. Stop immediately, check levels, and top up or call for service.
Transmission Warning
A fault in the transmission could cause shifting problems or failure. Stop driving and have it towed to a repair shop.
Immobilizer System Warning
The security system is malfunctioning, preventing the engine from starting. Stop and contact service to resolve the issue.
Hybrid System Warning (if applicable)
For hybrid models, this indicates a major issue with the hybrid components. Stop immediately and seek professional assistance.
Parking Brake Warning
The parking brake is engaged or faulty while driving. Stop to release it or check for malfunctions.
Yellow/Amber Warning Lights (Action Required Soon)
Check Engine Light
This appears for engine or emission issues, like a faulty sensor. Drive carefully to a service center soon for diagnostics to avoid further damage.
Tire Pressure Warning
Low tire pressure or a system malfunction. Check and inflate tires to the recommended level, or visit a mechanic if it persists.
Low Fuel Level Warning
Fuel is running very low. Refuel as soon as possible to prevent running out.
Open Door Warning
A door or trunk is not fully closed. Check and secure all doors before continuing to drive.
Seatbelt Reminder
Reminds you or passengers to buckle up. Fasten seatbelts to turn it off and ensure safety.
ESP Warning (Electronic Stability Program)
Stability control system has a fault. Drive cautiously and get it serviced to maintain vehicle control.
DPF Warning (Diesel Particulate Filter, if applicable)
Filter is clogged in diesel models. Drive at higher speeds or visit service to regenerate it.
Glow Plug Warning (for diesel/hybrid models)
Glow plugs are heating or faulty in cold starts. Wait for it to go off, or service if it stays on.
Low Coolant Warning
Coolant level is low, risking overheating. Add coolant and check for leaks soon.
Transmission Temperature Warning
Transmission is overheating. Allow it to cool and check fluid levels or seek service.
Green Lights (Information Only)
Eco Mode Indicator
Shows eco driving mode is active for better fuel efficiency. No action needed; it’s just confirming the mode.
Cruise Control Indicator
Cruise control is engaged. Informational; adjust speed as needed.
High Beam Indicator
High beam headlights are on. Reminder to switch to low beams when appropriate.
Turn Signal Indicator
Signals are flashing for a turn. Ensures you’re aware of active signals.
Front Fog Light Indicator
Front fog lights are activated. For visibility in poor conditions; turn off when not needed.
Rear Fog Light Indicator
Rear fog lights are on. Use in heavy fog; informational.
Lane Departure Alert
System is active and monitoring lanes. No action; it’s providing assistance.
Blind Spot Monitor
Detecting vehicles in blind spots. Informational for safer lane changes.
Parking Assist Indicator
Sensors are active for parking help. Guides you during maneuvers.
Hybrid Ready Indicator (if applicable)
Hybrid system is ready to drive. Confirms electric mode availability.
Sport Mode Indicator
Sport driving mode is selected for performance. No action required.
Normal Mode Indicator
Standard driving mode is active. Basic information on settings.
Headlight On Indicator
Headlights are illuminated. Reminder of light status.
Seat Heater Indicator
Seat heaters are turned on. Confirms comfort feature is active.
When looking at Lexus, make sure to check out our guides on models like the Lexus NX, Lexus LC, Lexus LS, and LEXUS RX. 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.
