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:
Power-Up
After switching the ignition key from OFF to either the
ON or ACC position, or after a language change, you
must wait at least fifteen seconds prior to using the
system.
...
Operating Instructions (Uconnect™ Phone) — If Equipped
Refer to “Uconnect™ Phone” in the Uconnect™ User
Manual located on the DVD for further details. ...
Spare Tire Stowage
The compact spare tire is stowed under the rear load floor
in the trunk.
Spare Tire Removal
Lift up the load floor cover and remove the hold down.
Spare Tire and Jack Stowage ...