Why is the Cadillac XTS horn not working?

[Vieira]

Cadillac XTS horn not working requires first distinguishing whether it is a wiring fault or a problem with the horn itself. Wiring faults typically include: burnt contacts on the horn relay, loose horn plug terminals, poor contact at the steering wheel horn switch. Horn faults include: burnt contacts, poor sealing making it prone to moisture, poor contact at the electromagnetic coil terminals. The Cadillac XTS is a model under the Cadillac brand, with body dimensions of 5131mm in length, 1852mm in width, and 1501mm in height, and a wheelbase of 2837mm. In terms of interior, the Cadillac XTS continues Cadillac's tradition of high-end materials, with the dashboard, door panels, and steering wheel wrapped in large amounts of genuine leather and accented with real wood. Chrome trim is used on the air vents, door handles, and seat backs to enhance the vehicle's visual premium feel.