The vehicle controls and info screens are from the Maestro adapter. Its claim to fame is adapting the car's factory accessories to the radio. Some cars/trucks could have lots of original equipment controlled via a touchscreen HU...think heat/AC controls, lighting, even a winch. To display them it kinda adds them as apps, but on the Alpine radio side, in the Alpine home screen. The Maestro doesn't really interact with CarPlay, just the radio.
The Maestro is complex. Lots of wires and the unit has to be flashed for the settings. The flashing is very Mac-unfriendly. Only Windows and Explorer are supported. When I mentioned it before I believed I could use my MacBook Pro running Parallels and Windows 10 for it. That was almost true. Parallels worked, but Windows 10 didn't. Windows 10 looked like it was going to work, but the flashing failed with a "READ DEVICE EEPROM FAILED". Windows 7 worked just fine.
On the other hand, the Axxess ASWC-1 steering wheel adapter was very simple. The unit has a bunch of wires, but for my 2005 CRV only 3 wires were needed plus a 3.5 jack needs to be plugged in. Two of the wires connect to the harness and one goes over to the cars side of the harness connector. I used a Posi-Tap for that one so I could still take the harness out. The unit is designed to recognize the vehicle and HU and auto configure...which it did for my car. The buttons can be customized, which I did, making MODE a Siri button.
Yeah, the little buttons on the iLX-107 are really hard to hit. Makes the Sony's volume knob look really tempting. But the wheel controls are even better. Might check out what it would take to hook up an Axxess to your RAV.
To me the boot time seems quick. If my car is in reverse, the camera comes on after 5 seconds, at 10 seconds the start screen is gone and the home page of the Alpine is up, and at 20 seconds CarPlay is up and running. The second boot if I'm going from ACC to starting the car is kind of a bother though.
FYI...also about that Sony, it has a warning screen, just like every Navi unit I've encountered. The Alpine doesn't. I find that very endearing.
About Siri. If you say "Hey Siri" your phone picks it up, not the radio. How well it gets it depends on where your phone is. If it's say, in your glove box or something, it may not pick it up at all. For the radio Siri is quick to respond if you hit the Siri button on the Alpine, or hold down the home button in CarPlay, (or hit the "Siri" button on the steering wheel...hint, hint). Also Siri's response time is dependent on your phone's cellular reception. Bad reception and Siri is slow to respond if she can respond at all.
Yeah, the screen is bright at night. Fortunately you can turn it down. Settings/General, scroll down to Screen/Lighting. I had Auto dimming and and the brightness set to -6.
Oh, and you can turn the HU off. Hold down the Alpine's physical Home button until the unit shuts off, about 5 seconds or so. If you shut it off, the next time you start your car the radio will stay off. Tap on the home button to start.
