The examiner asks vehicle-safety questions before or during the test. Incorrect answers can add a driving fault.
You should know how to explain or demonstrate routine checks covering items such as fluids, lights, tyres, brakes and steering.
These examples are for understanding and practice; they are not a promise that a particular mistake will always receive a particular grade.
Not knowing where or how a basic fluid-level check is made.
Being unable to explain a tyre or brake safety check clearly.