Adding a car key to an iPhone requires going through the manufacturer's app and then pairing the phone to the car via NFC.

GM launches a beta test of the smartphone Digital Key for 2026 Cadillac Lyriq and Optiq owners, delivering keyless entry via ...

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Dr. JeFreda R. Brown is a financial consultant, ...