System Description
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
The horn system consists of the following components:
- HORN fuse
- Engine wiring harness junction block (contains PCB horn relay)
- Steering wheel horn contact
- Horn-low note
- Horn-high note
- Body control module (BCM)