What every red warning lamp on the Peugeot 3008 II means, from STOP and coolant temperature to braking faults, and what you should do next.
Red warning lamps tell you about a malfunction, or about the status of a system that needs your attention. If a red lamp comes on while you are driving, there may be a fault that needs further investigation, so it is worth knowing what each one means. Some red lamps come on for a few seconds when you switch on the ignition and should go off as soon as the engine starts.
This guide covers the Peugeot 3008 II (2016-present) and is based on handbook edition ed01-23, which applies to vehicles produced from 03/10/2023. Some lamps only appear on certain versions or depending on your car's equipment, so you may not see all of them on your 3008.
Scroll the table sideways.
| Warning | Urgency | In short |
|---|---|---|
| STOP | Stop safely, get help | Serious fault detected, stop the car |
| Maximum coolant temperature | Stop safely, get help | Cooling system temperature is too high |
| Engine oil pressure | Stop safely, get help | Fault with the engine lubrication system |
| System malfunction (Hybrid or Rechargeable hybrid) | Stop safely, get help | The hybrid system is faulty |
| 12V battery charge | Stop safely, get help | Battery charging circuit is faulty |
| Door(s) open | Action needed from you | A door or the boot is open |
| Seat belts not fastened/unfastened | Action needed from you | A seat belt is not fastened |
| Electric parking brake | Stop safely, get help | Applied, or flashing for a fault |
| Braking | Stop safely, get help | Low brake fluid or EBFD fault |
This is the red STOP warning lamp. It stays on together with another warning lamp, and you will also see a message and hear an audible signal. It means a serious fault has been detected with the engine, the braking system, the power steering or the automatic gearbox, or there is a major electrical fault.
What to do:
This is the red maximum coolant temperature lamp. When it stays on, the temperature of the cooling system is too high.
What to do:
This is the red engine oil pressure lamp. When it stays on, there is a fault with the engine lubrication system.
What to do:
This is the red hybrid system malfunction lamp, found on Hybrid and Rechargeable hybrid versions. When it stays on, the hybrid system is faulty.
What to do:
This is the red 12V battery charge lamp. When it stays on, the battery charging circuit is faulty, for example because of dirty terminals or a loose or severed alternator belt.
What to do:
This is the red door open lamp. It stays on with a message telling you which door or opening is affected, and if you are travelling faster than 6 mph (10 km/h) you will also hear an audible signal. It means a door or the boot is not properly closed.
What to do:
This is the red seat belt lamp. It stays on or flashes, together with an audible signal that gets louder. It means a seat belt has not been fastened or has been unfastened.
What to do:
This is the red electric parking brake lamp. When it stays on, the electric parking brake is applied. When it flashes, applying or releasing the parking brake is not working properly.
What to do:
If the lamp stays on:
If the lamp is flashing:
The braking warning can appear in two ways. If the red braking lamp stays on by itself, the brake fluid level in the braking circuit has dropped significantly. If two lamps stay on together, the electronic brake force distribution (EBFD) system is faulty.
What to do:
If the braking lamp stays on by itself (low brake fluid):
If the two lamps stay on together (EBFD fault):
If a red lamp comes on and you are not sure what it means, stay calm, stop somewhere safe and switch off the ignition. Check any message on the screen, look up the lamp in your handbook, and if you are still unsure, contact a PEUGEOT dealer or a qualified workshop.
Red lamps are your 3008's way of telling you that something needs attention straight away. Knowing what each one means helps you react calmly and keep yourself and your passengers safe.
Related guides: Peugeot 3008 II (2016-present) orange warning lights, Peugeot 3008 II (2016-present) green and blue lights, Peugeot 3008 Indicators: Red Warnings (general guide) and all Peugeot 3008 guides.
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