Toyota 2009 Tundra Owner's Manual page 292

2-5. Driving information
Shift into P and turn off the engine.
l When restarting after parking on a slope:
With the transmission in P, start the engine. Be sure to keep
the brake pedal pressed.
Shift into D or R (if reversing).
Release the parking brake and brake pedal, and slowly pull or
back away from the wheel blocks. Stop and apply the brakes.
Have someone retrieve the blocks.
Service connector for towing brake controller (with towing package)
n
Matching trailer ball height to trailer coupler height
n
266
Your vehicle is equipped with a service
connector for the trailer brake controller
as shown.
Access the service connector.
Remove the scuff plate.
Remove the clip (screw type)
and trim board.
Remove the connector cover.
No matter which class of tow hitch
applies, for a safe trailer hookup, the
trailer ball setup on must be the proper
height for the coupler on the trailer.