Cadillac 2002 DeVille Owner's Manual page 104

Shifting Into PARK (P)
CAUTION:
It can be dangerous to get out of your vehicle if
the shift lever is not fully in PARK (P) with the
parking brake firmly set. Your vehicle can roll. If
you have left the engine running, the vehicle can
move suddenly. You or others could be injured.
To be sure your vehicle won't move, even when
you're on fairly level ground, use the steps that
follow. If you're pulling a trailer, see "Towing a
Trailer" in the Index.
2-36
Steering Column Shift Lever (If Equipped)
1. Hold the brake pedal down with your right foot.
2. Move the shift lever into PARK (P) like this:
D
Pull the lever toward you.