Can you tell me if you used a Metra or other type harness on the install. If so, which one and what model number.

I have used a SWIX in another install on my last car and it worked pretty good. Basically, this unit ties into the lead from the steering wheel controls and sends the signal to the SWIX unit. The SWIX unit is then programmed to convert the steering wheel signal to an IR signal that is emitted through an IR eye that is placed close to the headunit IR sensor for your handheld remote.

It is a pretty easy install....a few wires for the unit and one to the steering wheel lead from the OEM harness that goes to the headunit. Only challenge is to find a place to mount the IR eye that is close to the headunit. As a suggestion, I would hook up the unit and then move the eye around to find an optimal install location. My last install was on a convertible and the IR signal was sensitive to sunlight. I don't think a sunroof light would be much of an issue, but I would want to be sure before drilling a hole in a trim piece to mount the IR eye.

My $0.02.....I liked my Alpine remote way better and forgot about the aux controls after about a week.