Reference-faithful symbol library · Road · Air · Marine · Rail · MachineryOperational decisions require approved manuals / procedures
Manufacturer / system dependent
225/45 R17
No false universal pictogram used
ReferenceTyres & markingsRoad Vehiclesreference

Tyre Size Marking

Decode markings such as 225/45 R17 94Y.

What to doMatch replacement tyres to the vehicle maker’s approved size/load/speed specifications and local rules.
Typical colourWhite
PriorityReference
Where seenTyre sidewall

Reference basis: reference. 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.

Reference policy

SymbolDeck does not present an invented universal pictogram for this entry. The display is intentionally marked manufacturer/system dependent until a verified reusable reference is mapped.

What the Tyre Size Marking symbol means

Tyre sidewall codes communicate nominal width, aspect ratio, construction, rim diameter, load index, speed symbol and other properties.

Where you may see this symbol

This entry belongs to the Road Vehicles section and is grouped under Tyres & markings. It is commonly encountered at Tyre sidewall. 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

Additional markings can include XL, RF, M+S, 3PMSF, run-flat branding and homologation marks.

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.

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.

System-state variant

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

Detailed explanation and operating context

Tyre Size Marking 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.

Reference 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.