Whenever possible, avoid parking on a grade. However, if parking on a grade
is absolutely necessary, place wheel chocks under the trailer wheels. Consider
having someone help you with these steps:
One person presses and holds the brake pedal.
A second person places the wheel chocks under the
Model Y monitors the markers on the lane you are
driving in as well as the surrounding areas for the
presence of vehicles or other objects.
When an object is detected in your blind spot or near
the side of Model Y (such as a vehicle, guard rail, etc.),
the instrument panel displays colored line