Owner's Manual

REV. 3/5/2021 INST107-GM5B
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PROGRAMMING (CONT.)
OnStar level adjustment:
• Press the OnStar button to activate it.
• While OnStar is speaking, press the VOLUME-UP or VOLUME-DOWN button on the steering
wheel to raise or lower the OnStar level.
• If the vehicle doesn’t come equipped with steering wheel controls, locate the Black/Yellow
wire on the car side harness.
• While OnStar is speaking, tap the Black/Yellow wire to ground. Once the OnStar level is
set, it will stay at that level until the Black/Yellow wire is tapped to ground again. L.E.D.
feedback
Continue to Steering Wheel Control Settings