Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Diagnostic Procedure

Display day/night mode does not work or does not work properly

Symptom Troubleshooting Symptom Troubleshooting

Also Check for

Audio-Navigation unit

Also Check for

The gauge brightness level is set to High in day or night mode

Also Check for

Navigation display unit

Also Check for

Gauge control module (CAN)

Also Check for

The navigation display brightness is not set to Auto mode

Also Check for

Harness/fuses/switches