See also:

Attaching the towing eyelet
The towing eyelet is located under the floor of the trunk. This eyelet must be screwed into the positions provided on the right sides of either the front or rear bumper (see illustration). ...

Towing eyelet
Location of the towing eyelet Removing the front/rear covers ...

Trailer Stability Assist (TSA)
Trailer Stability Assist is a system designed to help stabilize a vehicle that is towing a trailer when the vehicle and trailer have begun to sway and is part of the Dynamic Stability and Traction ...