iPhone Car Key Expands to Select Cadillac Models

Apple is preparing to add iPhone car key support for Cadillac vehicles. This information comes from backend code discovered by Apple-tracking sources. The feature would let drivers use their iPhone or Apple Watch as a car key.

This development follows Apple’s announcement at WWDC 2025. Cadillac was listed among the brands that would soon adopt the technology. According to Reuters, digital car keys are becoming a standard feature in new vehicles.

How the Digital Car Key Feature Works

The digital car key uses NFC technology. Users can lock, unlock, and start their car by holding their iPhone near the door handle. The key is stored securely in the Apple Wallet app.

Apple first introduced this feature in 2022. Many automakers have since adopted it. General Motors, Cadillac’s parent company, must now enable the functionality on its end.

The Broader Push for Digital Car Keys

The move signals a wider industry shift towards smartphone vehicle integration. Drivers increasingly expect digital convenience. This feature eliminates the need for a physical key fob.

Several other brands already support Apple’s car key. These include BMW, Genesis, and Hyundai. More manufacturers are expected to join the list throughout 2026.

The discovery of backend support confirms Cadillac’s impending adoption of the iPhone car key. This integration represents a significant step in the digitalization of the driving experience for GM customers.

Thought you’d like to know

What is an iPhone car key?

It is a digital key stored in the Apple Wallet app. You can use it to lock, unlock, and start a compatible vehicle. The feature works via NFC technology.

Which Cadillac models will get this feature?

GM has not yet specified which models will be compatible. The rollout will depend on the vehicle’s hardware and software. Newer models are the most likely candidates.

Do you need an internet connection for it to work?

No, the car key uses NFC, which works offline. Your phone does not need a cellular or Wi-Fi connection for basic locking and unlocking. This ensures reliability.

Can you share the digital key with others?

Yes, you can securely share the key with other iPhone users. This is done through Apple’s messaging apps. It allows family or friends temporary access to the vehicle.

Which other car brands support this feature?

Brands like BMW, Audi, and Genesis already offer support. Apple confirmed 13 brands are planning to add it soon. The list includes Porsche, GMC, and Rivian.