$Apple (AAPL.US)$ Apple's car system CarPlay has been used b...

$Apple(AAPL.US)$ Apple's car system CarPlay has been used by millions of motorists to control music, obtain driving directions and make phone calls, and the company is also seeking to expand its influence in the automotive field. Apple is developing a technology that can use Apple mobile phones to control functions such as air conditioning, speedometer, radio, and seats in the car. This technology is called "IronHeart" internally. It is still in the early stages and requires cooperation with automakers. This business implies that even if Apple does not produce its own cars, it can still rely on the auto industry to make a profit.