Assertion: engine's oil | /r/HasProperty | changed
Facets:
value: frequently
type: TEMPORAL
Source sentences:
text: Even on a short-duration, drag-only combo where oil is frequently changed, I would not want to routinely see under-200-degree oil temps.
text: When the level reaches a point where it can no longer protect against corrosion, the oil must be changed.
text: For the oil life system to work properly, it must be reset every time the oil is changed.
text: When the oil is changed, the system must be manually reset by doing the following: