Door and dvd

remove the player from ur car and if you are good at opening the player then just follow this steps...
1.take of the screws
2.remove the cover
3.take off the rubber belt connecting the dc motor
4. now you can take the door out by sliding one white coloured clip
5.now clean the obstacles in the door way and every where
use dry clothes..
6.clean the lens also by using the white petrol or spirit....

then reassemble just put the cd r dvd and play...
if you are not good at opening then contact the technician........