Toyota 2013 Avalon Hybrid Owner's Manual page 280

300
5-5. Other interior features
■
The clock is displayed when
The power switch is in ACCESSORY or ON mode.
■
When disconnecting and reconnecting 12-volt battery terminals
Type A
The time display will automatically be set to 12:00 AM.
Type B
The time display will automatically be set to 12:00.
■
Time display (Type B)
After pressing "H" or "M" to show the setting screen, press "H" and "M" at the
same time to change between the analog and digital displays.
AVALON_HV_U (OM41451U)