The &quot;parked trailer&quot; description is confusing.<p>A picture is worth a thousand words - check out the crash here:<p><a href="https:&#x2F;&#x2F;www.ksl.com&#x2F;?sid=39727592&amp;nid=148&amp;title=utah-man-says-tesla-car-started-on-its-own-crashed-into-trailer" rel="nofollow">https:&#x2F;&#x2F;www.ksl.com&#x2F;?sid=39727592&amp;nid=148&amp;title=utah-man-say...</a><p>This is not a sensor failure, a sensor just clearly is NOT on the roof forward to measure object height in close-contact situations.