A 10-amp fuse is used in the Curt wiring harness that fits your Kia Sportage, the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56321. view full answer...
Trailer light kit # TL29BK does not include submersible lights, so water would be able to enter the light housings.
A better choice for your jet ski trailer would be a submersible light kit # TL5RK, as the lights will be sealed against water.
I would recommend, however, that you unplug the trailer connector and let the bulbs cool down a bit before backing into the water, so that the cold water will not crack the bulbs. This is good practice, also, because it lets your wheel bearings... view full answer...
The Thule Passage, part # TH910XT is confirmed as a fit for your 2011 Kia Sportage. This carrier will hold 2 bikes that weight up to 35-lbs per bike. This bike carrier folds down when not in use for easy storage.
You cannot open the rear trunk or hatch when a bike carrier is attached. I have attached a link to a video for this carrier on a Sportage you can check out. view full answer...
As you can see in the diagram I provided, the tilt is adjustable up to about 45°. The tilt mechanism has a pin that can be used in two different positions to allow a roughly 15 or 30° degree tilt or the pin can be completely removed for the maximum 45° tilt. If you click the provided link, you can see a product description video. view full answer...