Place/Retrieve A Call From Hold
To put a call on hold, press the 
button until you hear
a single beep. This indicates that the call is on hold. To
bring the call back from hold, press and hold the
button until you hear a single beep.
See also:
Controlling The iPod Or External USB Device Using Radio Buttons
To get into the iPod /USB/MP3 control mode and access a connected audio device,
either press the “AUX” button on the radio faceplate or press the VR button and
say USB or Switch to USB . Once ...
To Set The Variance
Start the engine and leave the transmission gear selector lever in the PARK position.
Press and hold the RESET button on the steering wheel (for approximately ten seconds)
until the current varian ...
Ride Comfort And Vehicle Stability
Proper tire inflation contributes to a comfortable ride.
Over-inflation produces a jarring and uncomfortable ride. ...