Yes, it’s true – the Android digital car key opens new doors for cars – literally. The feature lets you unlock and/or start your vehicle using an Android phone. Google introduced the feature in 2021 alongsideAndroid 12, just a year after Apple announced its ownCarKey. Unfortunately, support continues to be relatively rare among car models, but the feature is likely to spread and even become de facto as the industry evolves. It should be accelerated by the adoption of EVs, since their buyers have come to expect high-tech conveniences.
But how does Android digital car key work? And exactly which phones and vehicles are compatible? We’ll cover those questions in this guide, including some details you might not have considered.
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Everything you need to know about Android Automotive and how it differs to Android Auto.
How does Android digital car key work?
A breakdown on both the hardware and software
On a hardware level, the feature relies mostly on two technologies in modern smartphones: NFC (near-field communications) and/or UWB (ultra-wideband). You’re probably familiar with NFC if you use Google Wallet in stores, but UWB is less common, mostly found on higher-end Google and Samsung devices. Beyond car keys, UWB also aids in Android’s Quick Share file transfers.
A car will automatically unlock when you approach, start when you get in, and/or lock when you get out.
Once you’ve met device and vehicle requirements (see below), a key is generated forGoogle Walletor Samsung Wallet using an automaker’s app, an email link, or in rarer cases, a vehicle’s head unit (dashboard display). NFC-based keys require swiping your phone in front of an embedded reader, such as one in a door handle or ignition system. UWB has slightly longer range, and enables something Google dubs “passive entry” – meaning a car will automatically unlock when you approach, start when you get in, and/or lock when you get out. Not every vehicle supports UWB, but those that do will always offer NFC as a backup.
Forget the cables with these 6 best Android Auto wireless adapters
Google’s replacement for your car’s infotainment system is called Android Auto. If you want to use it wirelessly, you need one of these adapters.
For security purposes, you can choose to disable passive entry, or toggle whether your phone needs to be unlocked for a key to work. The latter option can be limited to specific tasks – you might require a phone unlock to get into your car, but not to start it once you’re in the driver’s seat.
You may also have access to remote controls for locking or unlocking a car, triggering its alarm, or popping the trunk. These depend on your car model, but note that all of Google’s remote options use Bluetooth instead of NFC or UWB. You can’t use Wi-Fi or cellular either, so there’s no controlling your car from across town or across the country.
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Android Auto lets you bring all your favorite apps on the road. Luckily, the installation process is as easy as starting your engine.
What are the requirements for Android digital car key?
Compatibility varies
The first thing is a compatible Android phone. Which means:
As for vehicles, they have to specifically support Android-based keys, both in terms of wireless chips and software. If you’re not sure that a car supports it, check the manufacturer’s website for any references to digital keys.
Android Auto wireless adapter: How to set it up for your car
As you own a compatible phone and car, setting up an Android Auto wireless adapter will save you some cable hassle.
Which vehicles support Android digital car key?
Specificity unconfirmed
While many vehicles still lack any support for digital keys, whether Android-based, Apple-based, or proprietary, the number of automakers that have at least one compatible model is substantial. In fact, there’s no longer any easy way of keeping tabs, so we’ll simply list all the major brands with some form of digital key. Be sure to verify Android compatibility if it’s an important factor when shopping. BMW, Genesis, and Hyundai are among the confirmed backers of Google’s format.
How to use your iPhone to automatically unlock your car
With car connectivity, your iPhone seems to really do it all. Support for it is still relatively limited, but should continue to grow.
Q: Can I use Android digital car key if my phone’s battery dies?
Believe it or not, the answer is yes – in some circumstances. Google explains that NFC may still work “for a few hours” after your phone’s battery dies. That’s not guaranteed however, and you’re definitely out of luck if you’ve set your key to require a phone unlock. In short, don’t rely exclusively on your Android key when you leave home.
Q: Can I share an Android digital car key?
Yes, you’re able to. With Google Wallet, this typically means selecting the key and tapping Share car key. Sharing can be done direct with contacts or through a third-party app. The other person may have to authenticate their key using an activation code, a physical key, or a car’s dashboard interface. Additionally, there may be the option of restricting someone’s key so they can’t drive your vehicle 24/7.
Google notes that sharing is only available for some cars in some markets, and only with some phones. You’ll have to check with an automaker.
