Chevrolet Uplander Owner's Manual page 249

If there is a decreased audio signal during CD, MP3, or
DVD play, there may be a low hissing noise through
the speakers and/or headphones. If the hissing sound in
the wireless headphones seems excessive, make
sure that the headphone batteries are fully charged.
Some amount of hissing is normal.
Battery Replacement
To change the batteries, do the following:
1. Loosen the screw on the battery compartment door
located on the left side of the headphone earpiece.
2. Replace the two AAA batteries in the compartment.
Make sure that they are installed correctly using the
diagram on the inside of the battery compartment.
3. Tighten the screw on the battery compartment door.
If the headphones are to be stored for a long period
of time, remove the batteries, and keep them in a cool,
dry place.
Wired Headphones
There is a right and left wired headphone jack.
To adjust the volume, do the following:
1. Plug the headphone into the corresponding jack,
located behind the video screen, next to the
auxiliary jacks.
2. Press the corresponding headphone button on the
DVD faceplate.
3. Press the right and left arrow buttons, on the DVD
faceplate, to increase or to decrease the volume.
The wired headphones work as follows:
•
DVD on / RSA off: The wired headphones will play
RSE audio.
•
DVD off / RSA on: The wired headphones will play
RSA audio.
•
DVD on / RSA on: The wired headphones will play
RSA audio.
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