Cadillac vehicles use smart keys, push-to-start systems, and transponder keys depending on model year. Dealers can program keys via VIN, but skilled locksmiths can often do on-site replacements. Common problems include lost keys, fob battery failure, and synchronization errors.

U.S. Models & Years

 Escalade (1999–present); CTS (2003–2019); XT5 (2017–present); XT6 (2020–present); CT5 (2019–present); CT4 (2020–present); ATS (2013–2019); SRX (2004–2016); DeVille (1949–2005); Eldorado (1953–2002).