Acura 2005 TSX Owner's Manual page 177

Main Menu Table of Contents
Automatic Transmission
SHIFT LOCK RELEASE SLOT
5. Push down on the key while you
move the shift lever out of Park to
Neutral.
6. Remove the key from the Shift
Lock Release slot, then reinstall
the cover. Make sure the notch on
the cover is on the left side.
Depress the brake pedal and
restart the engine.
176
If you need to use the Shift Lock
Release, it means your vehicle is
developing a problem. Have the
vehicle checked by your dealer.