VELOSTER(FS) >2013 > G 1.6 T-GDI > Body Electrical System > MTS System > Mic>Repair procedures  
Inspection
1.
Disconnect the negative(-) battery terminal.
2.
Remove the roof trim.
(Refer to the BD group - "Roof trim")
3.
Remove the handsfree mic (A) after disconnect the connector from roof top.

Be careful not to damage the roof trim when removing the hands free mic.
4.
Check the continuity of Mic between terminals.