Reference-faithful symbol library · Road · Air · Marine · Rail · MachineryOperational decisions require approved manuals / procedures
Exact standardized symbol
ISO 7000-0246
Coolant temperature
CriticalCoolingRoad Vehiclesexact standardized

Engine Coolant Temperature

Engine coolant temperature is excessive.

What to doReduce load, stop safely and follow the manufacturer’s overheating procedure. Never remove a hot coolant cap.
Typical colourRed
PriorityCritical
Where seenInstrument cluster

Reference basis: exact standardized. Standardized symbols use the exact standard where available; otherwise SymbolDeck uses a cleaner OEM-neutral reference or panel-style rendering matched to the system type and typical colour.

Exact reference basisISO 7000-0246

This page displays the exact open-licensed standardized SVG for Engine coolant temperature, sourced from Wikimedia Commons. Source and licence

What the Engine Coolant Temperature symbol means

The engine is overheating or the cooling system has detected a temperature condition outside its normal range.

Where you may see this symbol

This entry belongs to the Road Vehicles section and is grouped under Cooling. It is commonly encountered at Instrument cluster. Depending on the vehicle, vessel or machine, it may appear as a lamp, display message, annunciator or control-panel symbol.

How this symbol usually looks

Blue versions can indicate a cold engine; red normally indicates overheating.

Common versions you may see

The examples below show a few realistic ways this symbol may appear. Exact geometry, wording, framing and flashing behaviour can vary by manufacturer and system design.

Coolant temperature

Primary reference

Primary reference appearance for this symbol or indicator.

Display / text variant

Displays may use abbreviations, labels or annunciator tiles instead of an isolated pictogram.

Coolant temperature

System-state variant

Colour, flash pattern or status wording may change with system state.

Detailed explanation and operating context

Engine Coolant Temperature is indexed on SymbolDeck so users can find it by a specific symbol name or by plain-language searches such as “what does this warning light mean?” The page is designed to help with fast visual identification while still giving enough context to understand the system behind the symbol.

Critical is SymbolDeck’s general-reference urgency classification for this entry. Real-world urgency can change with operating state, multiple simultaneous warnings, environmental conditions and manufacturer logic. Approved documentation should always take precedence.

Safety note

For safety-critical road, aviation, marine, rail or machinery operation, this page is for identification and learning only. Approved manuals, checklists, rulebooks, placards and qualified personnel take precedence.