GM TechLink 2005-02-51
Original text and source
Original text
Navigation Radio Hum
This information applies to 2003-05 Chevrolet/GMC/Cadillac/Hummer H2 Full Size Utilities with RPO UM8.
Customers may comment of a hum or fan running type noise from the navigation radio.
This sound is normal.
The navigation radio has an internal cooling fan to cool the radio's internal components.
Source
- Source
- GM TechLink — Communication from a manufacturer to dealers (summary published by a government agency)
- Reporter type
- Manufacturer
- Source reference
- 2005-02-51
- Country / market
- US
- Language
- en
- Document version
- Version 2 (2 held)
- Note on the source
- Copyright General Motors Corporation. No licence is stated. Held as the headline and short quoted passages with the issue named and linked; the articles themselves are not stored or shown.
Dates
- Incident date
- Unknown
- Received by source
- 2005-02-01
- Added to the source's file
- Unknown: not returned by the source API
- Issued / published
- 2005-02-01
- First observed
- 2026-10-06 10:29 UTC (initial bulk load)
- This version fetched
- 2026-10-09 12:52 UTC