Toggling Between Calls
Jeep Grand Cherokee / Jeep Grand Cherokee Owners Manual / Understanding the features of your vehicle / Uconnect™ Phone — If Equipped / Phone Call Features / Toggling Between Calls
If two calls are in progress (one active and one on hold),
press the 
button until you hear a
single beep,
indicating that the active and hold status of the two calls
have switched. Only one call can be placed on hold at a
time.
See also:
Fluid Capacities
...
Replacement Bulbs
Interior Lights ...
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.
...