Tesla Inc. CEO Elon Musk tweeted Oct.5 that the company is delaying its automated driving Autopilot system.

"Holding back Autopilot drive on navigation for a few more weeks of validation," Musk said in the tweet, which was first reported by electric-vehicle news site Electrek, as well as Bloomberg.

Tesla's automated driving system was ranked second to Cadillac's SuperCruise system by Consumer Reports on Oct. 4.

The current version of the Autopilot system helps keep drivers centered in the lane and lets them make semi-autonomous lane changes by activating a turn signal to prompt the car to switch lanes, according to CNET.

The new iteration, originally set to be part of Software Version 9 that the company is rolling out, would have the vehicle initiate a lane change on its own if it encountered a slower vehicle in its path, CNET reported. This would help maintain the cruising speed set by the driver.

"Extremely difficult to achieve a general solution for self-driving that works well everywhere," Musk said in his tweet.