Tesla is rolling out its new Autopilot system this week - here's everything you need to know

Tesla is rolling out new Autopilot features enabled by its second-generation hardware system this week, Tesla CEO Elon Musk said on Twitter over the weekend. Musk first announced in October that cars currently in production will be equipped with new hardware that will improve Autopilot and enable full autonomy later on.

Tesla is rolling out some of the new Autopilot features enabled by the second-generation hardware system to a group of 1,000 testers on Monday. People outside the test group with the new cars will get the update by the end of the week "if all looks good," Musk said.

Here are the features going live this week and a breakdown of how the new Autopilot system works: