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The Peugeot 508 is a modern executive car packed with advanced technology and driver assistance systems designed to keep you safe and informed on the road. One of the most important aspects of the vehicle’s safety system is its dashboard warning lights.
Red Warning Lights (Stop Immediately)
Engine Oil Pressure
Low oil pressure or overheating; pull over, switch off, check oil, call roadside help.
Engine Coolant Temperature
Coolant too hot; stop, wait for engine to cool before checking level.
Brake System
Hydraulic or fluid failure; park safely, call a mechanic.
Battery/Charging
Alternator not charging; drive only to the nearest safe place, then seek repair.
STOP Master Warning
Serious fault detected; pull over and switch off right away.
Airbag Fault
Supplemental restraints may not deploy; stop soon and arrange diagnostic.
ABS Failure
Anti-lock braking disabled; braking distances increase—stop when safe.
Electronic Parking Brake
Automatic brake cannot hold; avoid hills, get assistance.
Power-Steering Failure
Steering assist lost; car becomes heavy—stop carefully and seek service.
Engine Overheat (Thermometer)
Critical temperature reached; switch off immediately.
Low Brake Fluid
Fluid below minimum; do not continue driving.
Door Ajar
Door not fully closed; stop and shut it securely.
Seatbelt Reminder
Front belt unbuckled while moving; stop and fasten belt.
Transmission Overheat
Gearbox temperature critical; pull over and wait to cool.
DPF Overload (Diesel)
Filter blocked, risk of damage; stop driving and request service.
Yellow / Amber Warning Lights (Action Required Soon)
Check Engine
Emissions fault; schedule diagnostic promptly.
Service Spanner
Minor fault logged; book workshop visit.
Tyre Pressure
One or more tyres under-inflated; top up soon.
Glow Plug (Diesel)
Pre-heat fault; harder cold starts—replace plugs.
ESP/Traction Control
Stability system issue; drive cautiously, service soon.
Fuel Level Low
Range limited; refuel quickly.
Power-train / Drivetrain
Transmission or coupling fault; reduced performance—visit garage.
AdBlue (Diesel)
Fluid low; refill to avoid no-start lockout.
Lane-Departure Warning
System offline; lanes not monitored.
Automatic Headlight Fault
Light sensor malfunction; use manual lights.
Cruise Control Fault
Speed hold unavailable; have system checked.
Suspension Fault
Ride-height or shock issue; limit speed, book inspection.
Green Information Lights (Status Only)
Indicators
Left or right turn signals active.
Headlamp Main Beam
High-beam headlights on.
Side Lights
Position lamps switched on.
Front Fog Lights
Front fogs active.
Rear Fog Light
Rear fog lamp on.
ECO Mode
Fuel-saving program engaged.
Start-Stop Ready
Engine will cut out at halt; lift clutch to restart.
Speed Limiter Active
Vehicle will not exceed set speed.
Auto-Hold Brake
Hill-hold engaged; car won’t roll.
Parking Sensors On
Ultrasonic sensors monitoring obstacles.
Seat Heating
Seat warmers activated.
Regenerative Charge (Hybrid)
Battery charging during decel/brake.
When looking at Peugeot, make sure to check out our guides on models like the Peugeot 408, Peugeot RCZ, Peugeot Expert Tepee, and Peugeot 5008. 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.
