Late September, there was a new software update in Tesla cars called "Smart Summon" which gave the cars the ability to find their owners in parking lots. Tesla owners can use the Tesla app to summon their cars from 200 feet away with this new update.

However, there have been some problems with the new feature in Tesla. Some drivers have experienced trouble with the feature and some of them shared it on Twitter.

@Tesla@elonmusk I think enhanced summon may have some bugs still, but so excited to have this remote control car! pic.twitter.com/niNQflI99N — jamie coulter (@fj4518) September 27, 2019

However, Tesla Motors Club (TMC) user Armee_1 discovered Tesla seems to be using OpenStreetMap, which is a collaborative project to create a free and editable map of the world. It allows people to create accounts and edit the maps, so Tesla owners can use it to edit the mapped areas that confuse the self-driving feature.

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Armee_1 wrote, "I read online that Tesla might be using OSM so I checked my area. Sure enough, areas where it worked awesome were mapped and areas that failed were not."

Then he created an OpenStreetMap account to map and edit his local parking lots.

Armee_1 wrote, "I just re-tested one area today and the routing completely changed."

Another Tesla Motors Club member bijan wrote an overview to help about how you can edit maps on OpenStreetMap, "Create an account. Log in with your account. Find the parking lot you want to edit. Click edit. Click line. Click where you want the parking aisle to start, click along the path of the parking aisle (it will create line segments, in the simplest case you click once at each end of the aisle) when done click on the beginning or endpoint to complete the path. On the left side where it says select feature type, start typing parking aisle and then click on that when it appears. Save your changes. There’s a tutorial when you sign up. That shows you how to do paths, areas, and points of interest."

It seems like Tesla is using OpenStreetMap data indeed. What do you think about this discovery?