2.1.4 – CDL Vehicle Inspection Test In order to obtain a CDL you will be required to pass a Vehicle inspection test. You will be tested to see if you know whether your vehicle is safe to drive. You will be asked to do a Vehicle inspection of your vehicle and explain to the examiner what you would inspect and why. The following seven- step inspection method should be useful. 2.1.5 – Seven-step Inspection Method Method of Inspection. You should do a Vehicle inspection the same way each time so you will learn all the steps and be less likely to forget something.