See also:

Connecting trailer lights
Use the wire harness stored in the rear end under the vehicle body. Please consult your dealer when installing trailer lights, as incorrect installation may cause damage to the vehicle’s lights ...

Initialization
Items to initialize The following items must be initialized for normal system operation in cases such as after the battery is reconnected, or maintenance is performed on the vehicle. ...

Vanity mirrors
Slide the cover. The light turns on when the cover is opened. ...