PS573_R1

GROUP
Electrical
NUMBER
PS573 (Rev 1, 03/22/2019)
SUBJECT:
MODEL
2018MY
Stinger (CK)
2019MY
Sorento (UMa)
DATE
August 2018
SOUND SETTINGS (FADER) MOVES TO REAR
 NOTICE
This bulletin has been revised to include additional information. New/revised
sections of this bulletin are indicated by a black bar in the margin area.
This Pitstop provides information related to sound settings (fader) which may alter the default
sound position settings. Customer concerns may be as follows:

“After 2-3 days, the audio system will
automatically fade itself to the rear speakers.”
 “Sometimes when I receive or make phone
calls, my sound is no longer centered after the
call.”
 “Sound location defaults to the rear of the car.”
Improvement software for this concern was applied into production per the following schedule:
Model
Head Unit
Vehicle Production Date
Sorento (UMa)
UVO with Navigation (AVN 5.0)
April 30, 2018
UVO with Navigation (AVN 5.0)
May 10, 2018
UVO without Navigation (UVO 3.0)
May 4, 2018
Stinger (CK)
If a customer complains about this exact concern and the vehicle was manufactured prior to
the dates above specific to each system, replace the head unit with a remanufactured head
unit (if applicable) through Direct Exchange to obtain the updated software.
Note: Do not replace the head unit for the following normal operation if the Sound Settings
below are enabled (reference PS557):
1. Back Up Warning Priority - The audio volume is lowered when the transmission is shifted into
reverse.
2. Start Up Volume - Radio and media volumes are lowered upon vehicle start up if the volume is
above a set maximum level during start-up.
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