Well if it is skipping due to a dirty lens...one of these is handy to have anyway and you could give it a try.
https://www.amazon.com/Memorex-DVD-L...d+lens+cleaner
If that doesn't work...then the unit is toast and they don't repair them...if it is under warranty...let 'em give you a new one. If not, go elsewhere to find something that will fit and do what you need like Crutchfield.com or your local car stereo installation shop.
Here's contact info for the distributor for your radio:
US HQ:
Way Interglobal
Network, LLC
3002 Coast Ct.
Elkhart, IN 46514
Phone:
(574) 971-4490
Fax: (866) 511-5849
wayinterglobal.com
China HQ:
No. 6 Donghuan Street 3, Jinqianling Industrial District 2, Jitigang Village Huangjiang Town, Dongguan City, Guandong Province, China
Jim Conway
jconway@wayinterglobal.com
Wayne Kaylor
wkaylor@wayinterglobal.com