Buick 1994 Roadmaster Owner's Manual page 131

If your Buick has the Electronic Climate Control option,
it looks like this:
The following information tells you how it works:
Temp
To choose the temperature
you
want maintained inside
the vehicle, push TEMP
A
or
v.
The blue down arrow
decreases the temperature
and the red up arrow
inci-eases the temperature.
Pushing the TEMJ? button
only once with the exterior
temperature displayed will
not, change the set
temperature.
You can choose from 60°F (16°C) to 90°F (33°C). 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.
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