Jeep Commander Owner's Manual page 111

It is not recommended to store similar sounding
names in the UConnect phonebook.
Phonebook (Downloaded and UConnect Local) name
recognition rate is optimized when the entries are not
similar.
You can say O (letter O ) for 0 (zero). 800 must be
spoken eight-zero-zero.
Even though international dialing for most number
combinations is supported, some shortcut dialing
number combinations may not be supported.
In a convertible vehicle, system performance may be
compromised with the convertible top down.
Far End Audio Performance
Audio quality is maximized under:
low-to-medium blower setting,
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 109
low-to-medium vehicle speed,
low road noise,
smooth road surface,
fully closed windows,
dry weather conditions, and
operation from the driver's seat.
Performance, such as audio clarity, echo, and loudness
to a large degree rely on the phone and network, and
not the UConnect system.
Echo at the far end can sometimes be reduced by
lowering the in-vehicle audio volume.
In a convertible vehicle, system performance may be
compromised with the convertible top down.
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