Toyota Urban Cruiser Owner's Manual page 88

1-3. Adjustable components (seats, mirrors, steering wheel)
 Releasing and stowing the belt
The belt can be completely released when not required, such as
when folding down the rear seat.
STEP 1
STEP 2
88
URBAN CRUISER_OM_OM52C63E_(EE)
To release the hooked end tab,
insert the vehicle's key or tab B
into the hole on the buckle.
Retract the belt slowly when
releasing and stowing the seat
belt.
Stow the seat belt tabs in the
cover set in the roof as shown.