Honda 2010 Accord Coupe Owner's Manual page 136

Climate Control System
Synchronized Control
The selected temperatures appear in
the display (in the center display on
DRIVER'S SIDE PASSENGER'S SIDE
models with navigation system).
When the indicator in the SYNC
button is on, you can adjust both
sides to the same temperature by
pushing the driver's side
temperature control switch up or
down.
When you set the temperature to its
upper or lower limit, it is displayed as
or .
133
2010 Accord Coupe