This might take a little getting used to. After months and months of anticipation, Elon Musk has finally answered almost all of our questions about the Model 3. But there's one aspect of the electric car that might take a little more adjustment: there is no key for the Model 3. To be clear, this is not the same as the "keyless" systems, which require some kind of key fob, and it's not the app-enabled remote starting some automakers offer.