After a hiatus of many weeks, Tesla appears to have begun testing the updated Model 3,

Tweets sent by ardent Tesla supporter The Kilowatts, who yesterday observed a disguised prototype on the streets of California.

The updated Model 3 will get new headlights and taillights, as well as a rear diffuser similar 

the one found on the Model S Plaid, according to the new images (shown below).

The rear lights appear to have a different interior arrangement than the prototype shown in the infamous 

leaked image from a while back (also embedded below). The turn signal light on the prototype is vertical,

Additionally, the black Tesla Model 3 Project Highland mule has the updated side cameras used

the company’s latest Hardware 4 Autopilot computer – the same as those spotted on finished Model Y, Model S,