198003079 - 5580M20 ON BOARD NAVIGATION SYSTEM CONTROLS - R.R.

Removing ( Refitting ) 1. Move the control unit (1a) slightly releasing the retainers (1b) using the special tool.

Tool	Description	Function	Validity
1823014000	Knife	Retainer removal

2. Disconnect the electrical connection for the control unit.

	Description	Connector
2	NAVIGATION CONTROLS	See H135 NAVIGATION CONTROLS

3. Keep the control unit. Refitting ( Removing ) - Check that the control unit is not damaged.- Connect the electrical connection for the control unit.- Position the control unit and attach the retainers.- Check that the control unit is working.