▷ CD/DVD changers and players have been optimized for performance in vehicles. In some instances they may be more sensitive to faulty CDs/DVDs than stationary devices would be.

▷ If a CD/DVD cannot be played, first check whether it has been inserted correctly.

Foreign bodies/liquids in the CD/DVD slot
Make sure that no foreign objects or liquids get into the CD/DVD slot; otherwise, the CD/DVD player will be damaged.◀

Humidity

High levels of humidity can lead to condensation on the CD/DVD or the laser's scan lens, and temporarily prevent playback.