Q
155. When checking lights you should:
General Knowledgemedium
AMake sure that the parking brake is set.
BTurn off the engine and take the key with you.
CTurn on the headlights and four-way flashers.
DAll of these are correct.
Detailed Explanation
The correct answer is "All of these are correct.". This is based on federal CDL regulations and safety standards.
Correct Answer: All of these are correct.
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