Tesla MODEL S 2012 Owner's Manual page 88

Autosteer
• A vehicle is detected in your blind spot when you
engage the turn signal.
• Model S is being driven very close to a vehicle in front
of it, which is blocking the view of the camera(s).
WARNING: Many unforeseen circumstances can
impair the operation of Autosteer. Always keep this
in mind and remember that as a result, Autosteer
may not steer Model S appropriately. Always drive
attentively and be prepared to take immediate
action.
86 MODEL S Owner's Manual