Your Lexus ES 350 constantly monitors dozens of vital systems and “speaks” through color-coded symbols. Recognizing each light helps you pull over before damage happens, keeps passengers safe, and saves money by fixing small issues early.
Quick Navigation
Red Lights (Stop Immediately)
Brake System
Hydraulic failure or fluid low. Pull over, do not continue, and seek professional repair at once.
Electric Parking Brake Engaged
Car is trying to move with EPB on. Stop, release brake fully, or visit service if light stays on.
Brake Fluid Low
Reservoir below minimum level. Add approved fluid or call a mechanic before further driving.
Seatbelt Reminder
A seat is occupied without the belt latched. Stop, buckle up, and resume only when all belts click.
SRS Airbag Fault
Airbag or pretensioner malfunction. Stop soon and have the restraint system inspected immediately.
Engine Oil Pressure
Oil flow has dropped. Shut off engine, check level, top up if low, and tow to service if light remains.
Engine Coolant Overheat
Temperature has exceeded safe limit. Park, switch off, let engine cool, and call for assistance.
Battery/Charging Fault
Alternator or battery not charging. Switch off non-essentials and drive to a workshop or arrange a tow.
Power Steering Failure
Electric assist lost. Steering is heavy; stop safely and request service before continuing.
Door Ajar
One or more doors open while moving. Stop and close all latches firmly before setting off.
Trunk Ajar
Boot lid not fully latched. Pull over and secure trunk to prevent cargo loss.
Hood Ajar
Bonnet unlatched; may fly up. Stop immediately and close hood completely.
Transmission Overheat
Fluid too hot. Shift to Park, idle to cool, and seek inspection; heavy loads may require a tow.
Master Warning (red)
Critical fault stored. Stop as soon as safe and read the multi-information display for details.
Security/Immobilizer Solid
Anti-theft fault; engine may not start. Use correct key and have system checked if symbol remains steady.
Yellow/Amber Lights (Action Required Soon)
ABS Malfunction
Anti-lock system disabled; normal brakes still work. Drive cautiously and book service promptly.
Traction Control OFF
Driver has disabled skid control. Re-enable for slippery roads via switch or menu.
VSC (ESP) OFF
Stability control inactive. Turn system back on to restore automatic skid correction.
Check Engine (MIL)
Emission or engine control fault. Tighten gas cap; if lamp stays, schedule diagnostic soon.
Tire Pressure Low
One or more tires under-inflated. Check and adjust pressures; inspect for punctures.
Low Fuel
Approximately 2.6 gallons remain. Refuel at the next station to avoid stalling.
Power Steering Warning
Assist may reduce. Steering feels heavy; arrange inspection if lamp stays lit.
Headlight Leveling Fault
Self-leveling system disabled; beams may dazzle. Visit dealer for calibration.
Adaptive Cruise Fault
Radar or camera blocked. Clean sensors; if lamp persists, have the system checked.
Blind Spot Monitor Fault
BSM unavailable. Clean radar areas and book repair if alert continues.
Pre-Collision System Off
PCS disabled or malfunctioning. Drive attentively and restore function via settings or service.
Lane Departure Alert Fault
Camera or sensor issue. Clean windshield and schedule service if light remains.
Glow Plug Indicator
Diesel pre-heat; not used on gasoline ES 350. Ignore if seen during lamp test.
DPF Regeneration
Diesel particulate filter full. Not applicable to ES 350; ignore during bulb check.
Green Lights (Information Only)
Turn Signals
Arrow flashes with indicators on. Cancel after completing lane change or turn.
Low Beam Headlights
Confirms dipped beams are active for night driving.
High Beam (Blue)
High beams on. Dim for oncoming traffic to avoid glare.
Front Fog Lights
Fog lamps active; use only in poor visibility.
Daytime Running Lights On
DRLs operating to enhance daytime visibility.
Lane Tracing Assist Active
System gently steers to keep car centered when cruise is on.
Parking Sensors Active
Ultrasonic sensors monitoring obstacles; heed beeps when maneuvering.
Auto High Beam Ready
Cameras will switch high beams on and off automatically when safe.
Eco Mode Active
Engine and climate tuned for efficiency; gentle throttle yields best economy.
Snow Mode Active
Reduces throttle response for better traction on slick roads.
Stop/Start System On
Engine may shut at stops to save fuel; releases instantly when brake lifted.
Hill-Start Assist Ready
Prevents rollback by holding brakes briefly on slopes.
