To protect your hearing, follow these guidelines 
 (volume) to its lowest level before 
VOL (volume) to its lowest level before VOL
putting on headphones. With the headphones 
VOL to a comfortable level.VOL
•  Avoid increasing the volume once you set 
it. Over time, your sensitivity to volume 
decreases, so volume levels that do not cause 
discomfort might damage your hearing.
•  Avoid listening at high volume levels. 
Prolonged exposure to high volume levels can 
cause permanent hearing loss.
Do not wear headphones while driving. This can 
create a traffi c hazard and is illegal in some areas. 
Even though some headphones let you hear 
outside sounds when you listen at normal levels, 
they still can present a traffi c hazard.