Home / iPhone / iOS 14 code reveals Apple working with BMW on futuristic ‘CarKey’ iPhone feature – 9to5Mac

iOS 14 code reveals Apple working with BMW on futuristic ‘CarKey’ iPhone feature – 9to5Mac

9to5Mac reported exclusively in February that Apple is developing a new ‘CarKey’ feature that will let drivers replace physical key fobs with their iPhone. The new virtual key technology was first discovered in a beta version of iOS 13.4.

New evidence in iOS 14 code obtained by 9to5Mac reveals that Apple is working with BMW to likely be the first carmaker to support the futuristic iPhone feature. 9to5Mac received this non-denial statement from BMW when asked about their involvement:

Please understand that at this point we cannot confirm your request nor give you further details. We would like to refer you to our press release.

The informative press release referenced was published in December and refers to BMW’s efforts to adopt a new smartphone and watch Digital Key standard:

The BMW Group took a leading role in the seamless integration of smart devices and the customers’ digital ecosystem in the early stages. Providing customers with simple, connected and “keyless” access to their vehicles has been a key area of innovation. Today, it is already possible to lock and unlock the vehicle, start the engine and share the key with others using the BMW Digital Key as part of BMW Connected on the smartphone. But this is only the first step in a global technological transformation being shaped and led by the BMW Group.

BMW goes on to acknowledge the Car Connectivity Consortium responsible for standardizing the new Digital Key feature between cars and connected devices. Notably, Apple’s involvement with the CCC was publicly referenced in 2018:

CCC’s charter member companies [include] Apple, Audi, BMW, General Motors, HYUNDAI, LG Electronics, Panasonic, Samsung, and Volkswagen, and core members including ALPS ELECTRIC, Continental Automotive GmbH, DENSO, Gemalto, NXP, and Qualcomm Incorporated.

New Car Key features

The CCC recently made news when it unveiled new features for version 2.0 of Digital Key:

The Digital Key Release 2.0 specification leverages NFC – a short-range wireless connectivity standard for contactless communication between devices such as smartphones or tablets. CCC uses existing industry standards like NFC as much as possible to ensure high interoperability between vehicles and a wide range of industry devices.

Companies including Apple and BMW can already support Digital Key Release 2.0, and new features in version 3.0 will further enhance the experience:

The Digital Key Release 3.0 specification will enhance Digital Key Release 2.0 by adding passive, location-aware keyless access. Rather than having to pull their mobile devices out to access a car, consumers will be able to leave their mobile device in their bag or pocket when accessing and/or starting their vehicle. Passive access is not only vastly more convenient and a better overall user experience, it also allows vehicles to offer new location-aware features.

To support these new features, the CCC is developing a specification based on Bluetooth Low Energy (BLE) in combination with Ultra-Wideband (UWB) to enable passive keyless access and to allow secure and accurate positioning.

Ultra-wideband required?

Relevant for Apple, version 3.0 will take advantage of the UWB, or ultra-wideband chip, introduced to iPhones with the iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max. Apple has only used the UWB chip for a minor enhancement to its AirDrop wireless data transfer feature.

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9to5Mac has reported extensively on an upcoming product called AirTag that will also take advantage of the UWB chip for hyperlocal device tracking. Apple’s upcoming CarKey feature is the next upcoming feature to take advantage of the hardware introduced in September 2019.

BMW describes how UWB will be useful for Digital Key:

In the near future, Digital Key specification will be enhanced by the ultra-wideband (UWB)-based release 3.0. This will offer maximum anti-theft protection and enable precise localisation between the device and the vehicle. As a result, the mobile phone must no longer be held directly up to the door handle to unlock the car, but can conveniently be left in the pocket.

iPhone and Apple Watch

Apple working closely with BMW for Digital Key is no surprise. BMW was also the first car maker to adopt Wireless CarPlay, Apple’s advanced version of its useful infotainment feature based on the iPhone.

We expect Apple to brand their Digital Key support as CarKey, similar to CarPlay. It’s possible Apple will require the iPhone 11 and later for CarKey so the feature will be more convenient and secure, although beta code can be triggered on other iPhones.

CCC’s Digital Key standard also works with tablets, although it’s unclear if the iPad will work with Apple’s CarKey feature. Apple has only included the UWB chip in iPhones to date, although iOS 13.4 beta code clearly references Apple Watch support.

This may suggest Apple CarKey will only require NFC chips found in several iPhone generations, although it’s possible the next Apple Watch could gain UWB and be required for Apple CarKey.

Apple CarKey features

9to5Mac expects CarKey to work for locking, unlocking, and starting cars using the iPhone in place of a physical car key or key fob. Virtual car keys will be managed in Apple’s Wallet app and work with an option for authenticating without a passcode or Face ID for a faster experience. These virtual car keys will also be shareable over Messages.

Similar to CarPlay, Apple could also support two versions of CarKey: one that requires near contact, and one that allows you to leave your iPhone in your pocket.

BMW drivers, for example, could unlock and start their car with Wireless CarPlay automatically initiated all without taking their iPhone out of the bag or pocket.

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