Illinois CDL Bus Test 1

When conducting a vehicle inspection, you must show each of the following, except:

That the oil pressure gauge is working. That the oil pressure warning light turns off, or that the gauge shows increasing or normal oil pressure. That the oil temperature gauge, if equipped, rises to the normal operating range. That the oil pressure gauge comes on when brakes are used.

Correct Answer:

That the oil pressure gauge comes on when brakes are used.

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