Toyota SIENNA Owner's Manual page 13

SEATING SECUREMENT
Removing The Front Seats
1. Pull the seat base release strap out. While holding the
seat base release strap out, lift up the rear of the seat.
2. Release the seat base and lower the rear of the seat
base to the floor of the vehicle. The rear seat base
wheels will automatically lower so that the seat and
base can easily be rolled out of the vehicle.
3. Pull the seat out of the front securement brackets
and remove seat from vehicle.
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