Jeep Grand Cherokee 2020 Owner's Manual page 385

Setting Name
AutoShow Smartphone Display
Upon Connection — If Equipped
Touchscreen Beep
Control Screen Time-Out — If
Equipped
Voice
After pressing the Voice button on the touchscreen, the following settings will be available:
Setting Name
Voice Response Length
Show Command List
Clock
After pressing the Clock button on the touchscreen, the following settings will be available:
Setting Name
Sync With GPS Time
Set Time Hours
Set time Minutes
Time Format
NOTE:
Within the "Set Time and Format" setting, press the corresponding Arrow buttons on the touchscreen to adjust to the correct time.
Selectable Options
On
On
On
Selectable Options
Brief
Never
On
-
-
12 hrs
AM
Detailed
With Help
Selectable Options
MULTIMEDIA 383
Off
Off
Off
Always
Off
9
+
+
24 hrs
PM