Lexus 2013 GS 350 Owner's Manual page 293

System time settings
■
Used for changing time zones and the on/off settings of daylight saving
time.
Select "System Time" on the "General Settings" screen.
1
Select the items to be set.
2
Time zone
1
Daylight saving time
2
Select "Save".
3
Time zone
●
A time zone can be selected and GMT can be set.
Select "Time Zone".
1
Select the desired time zone.
2
GS350_U (OM30C34U)
5-1. Remote Touch screen
I n f o r ma t i o n P r o v i d e d b y :
5