BYD stock briefly hit a record high following the introduction of a new smart-driving system which will be available in most of its models.

Advanced smart driving will become a standard safety feature similar to seatbelts and air bags, BYD's founder and chairman Wang Chuanfu said.

Chinese EV maker BYD is pretty much the king of EVs in the country, even challenging Tesla in the country. Yesterday, in a company livestream, founder Wang Chuanfu claimed that the company will make all of its models self-driving,

BYD unveiled a massive expansion of its "Gods Eye" intelligent driving system on Monday as the car giant looks to win the brutal EV battle.

China's BYD on Monday started offering advanced autonomous driving features on most of its models including ones priced as low as $9,555, far undercutting competitors such as Tesla in a move analysts say is set to start a new price war.