Buick 1994 LeSabre Owner's Manual page 84

To release the parking brake:
This vehicle has a push
to release park brake pedal. Hold the regular brake pedal
down and push the parking brake pedal with your left
foot. This will unlock the pedal. When you lift your left
foot, the park brake pedal will follow it to the released
position.
l r you try to drive off with the parking brake on, the
brake light stays on and a chime sounds until you release
the parking brake or recycle the ignition.
NOTICE:
Driving with the parking brake
on
can cause your
rear brakes to overheat. You may have to replace
them, and you could also damage other parts of
your vehicle.
If you are towing a trailer and are parking on any
hill: See "Towing a Trailer" in the Index. That section
shows what to
do
first
to
keep the trailer from moving.
Shifting Into
6 6
P
$ 9
(Park)