Sounds like a load of crap to me - perhaps the dealer has shares in Sony.....??!!!!
I play burnt cd's in my XR6 Turbo sedan and my partner plays them in his XR6 Turbo ute - sounds fantastic and no problems so far!!!
XR6 Turbo - The Ultimate 'possession'
Phantom, Phantom interior, Auto, 18" wheels, Premium sound, Sports s/wheel, XR scuff plates & floor mats, Tint, Alarm.