Boeing 737 Review
Control Stand  700/800/900
Display Selector
Parking Brake
PARKING BRAKE Lever

Forward – Parking brakes are released.

Aft – Sets parking brakes when either the Captain’s or First
Officer’s brake pedals are fully depressed and the latch is pulled
aft.

Parking Brake Warning Light

Illuminated (Red) – Parking brake is set (light operates from
battery power).

Extinguished – Parking brake is released.