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
Owner's Manual: View the onscreen Owner's Manual. A
new version of the onscreen owner's manual is typically
provided with every software update and therefore
contains more recent information that those provided by
Tesla elsewhere (for example, via the web).
Car Wash Mode: Enable before using a