An amber dashboard icon shaped like a tyre's cross-section with an exclamation mark, warning of significantly low tyre pressure.
Also known as: TPMS light, Low tyre pressure light
Warns that at least one tyre is significantly under-inflated, or that the tyre-pressure monitoring system itself has a fault; mandated in the US following the TREAD Act and in the EU for new passenger-car type-approvals from 2014.
Signals at least one tyre is significantly under-inflated (commonly cited around 25% below the recommended pressure, or per EU rules roughly 20% deviation or below 150 kPa) or that the monitoring system itself has a fault.
Exact thresholds and flashing-vs-steady timing vary by manufacturer and jurisdiction; figures given are commonly cited approximations, not one universal number.
Contexts: Vehicle dashboard
Legally mandated in the US (FMVSS 138, following the TREAD Act) with phase-in for passenger vehicles around 2006–2008, and in the EU for new M1 (passenger car) type-approvals from 1 November 2014.
Precise phase-in percentages/dates are approximate pending direct primary-source confirmation.
Contexts: Vehicle dashboard
A horseshoe-shaped tyre cross-section outline with an exclamation mark at its centre.