Siemens U15 - Manual (Page 127)

Getting More
Out of Your Phone
126
Charger Time
When your phone is connected to a car kit, you can set it to
charge itself for a specified time period after you switch off the
ignition. This helps ensure that the phone battery gets fully
charged while the vehicle is parked.
Note: This feature may not work with all car ignition switches.
Using Applications During a Call
During a call, you can easily switch to other phone features or
make a new Data, Browser, or Voice Call connection:
The list of options includes phone applications, such as
Phonebook and Calendar . To start a new call, select New Call
(this puts any current call on hold).
Find the Feature M > Settings > Car Settings
> Charger Time
Press To
1
S scroll to the charge time
2 SELECT (
+
) confirm your selection
Press To
SWAP ( + ) open a list of options