Final answer:
The oil pressure caution light in a vehicle is triggered by specific pressure thresholds that can vary by vehicle. There is a similarity between oil pressure in an engine and blood pressure in the human body, where viscosity and flow are important factors. The specific pressure values for when the light comes on and goes off were not provided in the question.
Step-by-step explanation:
The oil pressure caution light comes on and turns off in a vehicle depending on certain pressure thresholds. Although the exact pressure at which the light will come on can vary by vehicle, it is typically activated when oil pressure falls below a manufacturer's original value.
For instance, in the context of the circulatory system, a 19% decrease in flow can be caused by a 5% decrease in radius. The body may try to compensate for this by increasing blood pressure by 19%. However, such an increase can pose risks to the heart and to any blood vessels with weakened walls.
Similarly, in the case of a car, you'll find that oil pressure is high when the engine is cold because motor oil has greater viscosity when cold than when warm, requiring higher pressure to circulate the cold oil.
The information about the specific pressure at which the oil pressure caution light will activate or deactivate (turn off) seems to be missing from the original question making it impossible to provide the specific numeric values.