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
Auto Lane Change is available whenever Autosteer is
active. To change lanes using Auto Lane Change:
1. Perform visual checks to make sure it is safe and
appropriate to move into the target lane.
2. Engage the appropriate turn signal, keeping your
hands on the steering wheel.
3. If needed, cancel