Motorola MOTORAZR V3a Manual Del Usuario página 69

features
power-off delay (car kit)
Set the phone to stay on for a period of time
after the ignition is switched off:
s
w
> Settings > Car Settings > Power-off Delay
charger time (car kit)
Charge your phone for a specified time after
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features
adjust network settings
View network information and adjust
network settings:
s
w
> Settings > Network
Scroll to Set Mode and press Change.
set service tones