Buick 1993 LeSabre Owner's Manual page 122

Ext
Temp
Push this and the display
will indicate the outside
temperature (unless the
system is
OFF).
Push it
again to return to the
regular system display.
D
D
EXT.
TEMP
CoollWarm
To choose the temperature you want maintained inside
the car, push one of these.
You can choose from 60°F (16OC), for maximum
cooling, and 90 F (33 "C), for maximum heating. It is
not necessary to choose the extreme temperature to get
the system to heat or cool at the maximum. The system
does it automatically.
Off
T
7
When the system is off, the
ventilation system will
allow air to flow through
your Buick when the
vehicle is moving. The
system will try to keep the
air at the chosen
temperature, unless it is
very hot or very cold
outside. The outside
temperature will show in
the display area when the
system is OFF.
120