One problem related to horn assembly has been reported for the 2004 Honda CR-V. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Honda CR-V based on all problems reported for the 2004 CR-V.
The horn no longer works. The fuse for the horn has been checked, and is not the problem. This seems to be a safety issue that should be cover for the lifetime of the vehicle, similar to Honda's seatbelt coverage.