The Tesla's upgrade is expected to add a feature intended to help driver-assistance software navigate cities, expanding the suite of tools that had been designed mainly for highways

"Tesla's urban-driving aid so far has only been available to a relatively small circle of employees and customers for testing purposes. The company began releasing a pilot version late last year, according to company correspondence with the California Department of Motor Vehicles, and has been expanding access. The program included about 2,000 Tesla owners as of March, Tesla's CEO Musk said.

Tesla plans to monitor the driving patterns of the customers who request the enhanced system, Mr. Musk said last week in a tweet, and grant access after seven days of good behavior. Those who aren't careful will have their access revoked, he said.

"2000 beta users operating for almost a year with no accidents. Needs to stay that way," Mr. Musk said.

The company began deploying advanced driver-assistance software, dubbed Autopilot, to vehicles in 2015 to help with tasks such as steering and adjusting to the flow of traffic on the highway. It has augmented that system over the years, with the goal of eventually enabling its vehicles to operate autonomously.

Tesla's new city-driving tool is part of its Full Self-Driving package. Tesla sells the suite for $10,000 or a monthly subscription that costs up to $199. 

Other features in the Full Self-Driving bundle are already publicly available, including tools that help vehicles change lanes on the highway and slow down at stop signs. New Street Research estimated in July that about 360,000 people had purchased the Full Self-Driving system, covering about one-fifth of the Tesla fleet at the time.

Investors' belief in the promise of Tesla's automation technology has helped to transform the company into the world's most valuable auto maker, with a market capitalization of around $750 billion, more than five times that of Volkswagen AG. Last year, Volkswagen delivered more than 18 times as many vehicles as Tesla." [1]

1. Tesla's Upgrade Plan Rankles Safety Agency
Elliott, Rebecca.  Wall Street Journal, Eastern edition; New York, N.Y. [New York, N.Y]. 20 Sep 2021: A.1.