Hidden service mode (diagnostic menu) in Carminat 3 DVD system from Renault cars (Espace, Koleos, Laguna, Scenic, Vel Satis). In diagnostic mode you can access speakers, microphone and LCD display tests, check communication between modules, adjust advanced parameters of GPS and bluetooth systems.

Carminat DVD 3 CNC (Carminat Navigation & Communication) system can be found in:
Renault Espace IV
Renault Koleos I
Renault Laguna II
Renault Laguna III
Renault Megane III
Renault Scenic II
Renault Vel Satis I

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