Audio Systems; Setting The Clock - Buick 1999 Riviera Owner's Manual

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When the engine idles for a long time, the exterior
temperature sensor retains the temperature setting
that was present when the vehicle was last moving.
The system will try to maintain the set temperature
inside your vehicle.
Steering Wheel Controls for Climate
Control (Option)
TEMP: Press either arrow once and the current comfort
setting will be displayed. Press the up arrow again to
choose a warmer comfort setting and press the down
arrow again to choose a cooler comfort setting.
If your vehicle has this
feature, you can control the
temperature comfort setting
by using the control button
on your steering wheel.

Audio Systems

Your Delco Electronics audio system has been designed
to operate easily and give years of listening pleasure.
You will get the most enjoyment out of it if you acquaint
yourself with it first. Find out what your Delco
Electronics system can do and how to operate all its
controls, to be sure you're getting the most out of the
advanced engineering that went into it.

Setting the Clock

Press and hold HRS until the correct hour appears. Press
and hold MIN until the correct minute appears.
You may set the clock with the ignition off if you
press RECALL first and follow the same procedure
described above.
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