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Secret Menu
Valuable information are displayed through test/setup menu if you enable secret menu. This can be done using a Vag-com cable. To enter the test/setup mode when the RNS 510 is operating press and hold the setup button, keep holding it when the radio menu appears and shortly after the test menu appears. You need to reboot the unit after coding it.
Possible problems during / after updating
- There is a remote chance of you ‘bricking’ the unit, this is a fraction of a percent but it could happen! The process takes around 60 minutes.’
- There are a small number of users where the RNS 510 display has a dim backlight after upgrading.
- Users with cars MY07 and earlier may experience power drain issues after the upgrade.
- 7L6 Touareg RNS 510′s are no longer supported since version 3870 due to the Touareg being fitted with the RNS 850. Version 1200 was the last version factory loaded on the 7L6 units with a hardware revision B.
- The maps and mp3s can be erased and you may have to re-install them.
CAUTION: Do not proceed through the firmware update if you are unsure or if you don't own a vag-com cable.
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