CDL Pre-Trip Inspection Guide
Master the complete DOT pre-trip inspection with our step-by-step guide in multiple languages
Practice in the simulator
Walk the same inspection on an interactive tractor and trailer: every part lights up, opens or moves, with the English script, pronunciation and audio.
Inspection Sections
Click on any section to start studying the inspection points
When
During CDL school training and skills test - must be performed before every driving practice session
What
Comprehensive inspection checklist covering engine compartment, cab, and trailer - memorized and demonstrated verbally
Why
Required to pass CDL skills test - must demonstrate knowledge to DMV examiner before road test
Study Tips
Practice Tips
- Practice the inspection in the same order every time
- Say each inspection point out loud as you check it
- Use the actual vehicle for hands-on practice
Exam Day Tips
- Arrive early and dress professionally
- Speak clearly and loudly during the inspection
- Point to each component as you describe it