Acura 2008 TSX Owner's Manual page 174

Dual Temperature Control
When you set the temperature to its
lower or upper limit, it is displayed as
or .
DRIVER'S SIDE PASSENGER'S SIDE
Push AUTO or . The selected
temperatures appear in the upper
display. For vehicles with navigation
system when the indicator in the
DUAL button is off, you can adjust
both sides to the same temperature
by adjusting the driver's side
temperature control bar ( or
side).
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