I have a 2022 SXP with "self leveling suspension". Is this a special self leveling shock ? It works automatically? I bought the towing package mainly to get the tow hitch and wiring installed at the factory.
Yes that is the self-leveling shock/suspension upgrade. It works mechanically in that if the pressure is applied to the shock while driving it will pump up then when parked the fluid moves to a different chamber and the rear of the vehicle drops back down to a sagging position. In the sense that you don't turn anything on or off it is automatic. You did not need the towing package in order to get the tow hitch and wiring. There is a tow option that also provide a tow hitch and wiring that includes standard shocks and stiffer suspension.