Tesla currently offers a pair of so-called “level 2” partially automated driver assist systems. Autopilot is the older of these, combining Tesla’s adaptive cruise control (Tesla calls this TACC) and lane-keeping assist (Tesla calls this Autosteer).

Other Tesla vehicles also struggled to attract buyers, with sales of its X, S and Y models all sinking from the previous year.

The company is also currently facing a 30-day suspension of its manufacturing and dealer licenses in California for deceptive marketing about Autopilot's capabilities.

Online insurance firm Lemonade said it would offer a policy designed specifically for self-driving cars, starting with Tesla.

A bystander was killed after being struck by a Tesla that crashed at a light rail station in Folsom, officials said.

By Abhirup Roy and Akash Sriram Jan 23 (Reuters) - Tesla on Thursday stopped including some driver-assistance features with new vehicles sold in the U.S. and Canada, requiring customers who want self-steering and similar technology to pay for a broader $99 monthly subscription.

Tesla has faced challenges in the past. Its stock has dropped over 30% within less than 2 months on as many as eight separate occasions in recent years

A person waiting for a train was killed when a Tesla drove into the boarding area at a Folsom light-rail station Thursday. The crash happened shortly before 3 p.m. on Jan. 22 at the Iron Point Station, near an outlet mall next to Highway 50, the Sacramento Regional Transit District said.