CDL Pre-Trip Inspection: Inside Cabin to Outside Safety Steps Description: Learn how to properly transition from the inside cabin inspection to the outside inspection during your CDL pre-trip test. In this lesson, we cover how to communicate clearly with the examiner, secure your key, turn on your lights for inspection, and safely exit the vehicle using three-point contact. Remember — safety is always the priority. Demonstrating proper procedure, communication, and awareness can help you earn va