Trailer hitch assemblies have different weight capacities. Toyota recommends the use of toyota hitch/bracket for your vehicle. For details, contact your toyota dealer.
Positions for towing hitch receiver and hitch ball

Connecting trailer lights
Please consult your dealer when installing trailer lights, as incorrect installation may cause damage to the vehicle’s lights. Please take care to comply with your state’s laws when installing trailer lights.
Trailer tongue weight
Trailer towing tipsEcm communication stop mode (2005/11-2006/01)
Description
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances of the
main wire and the branch
wire.
After the ignition switch is turned off, check that the key reminder
warning system and light
reminder warning system ...
Summary of the blind spot monitor
The blind spot monitor is a system that has 2 functions;
The blind spot monitor function
Assists the driver in making the decision when changing lanes
The rear cross traffic alert function
Assists the driver when backing up
These functions use same sensors.
Bsm main switch
...
Center power outlet socket (for ac power supply)
Components
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove console rear end panel (see page ip-
19)
...