2016 Honda Pilot app

Other options would include something like using Automatic (which has been integrated by @yvesracine and can be integrated for a cost: [DEPRECATED ] Automatic Connected Car- Integration with SmartThings), Dash (which has an IFTTT channel and the device options are cheaper than automatic, but it does have a delay with IFTTT), or using your router to determine that a specific device connected (if you have a router you can do that with) since you mentioned that the Pilot is connected to your home WiFi.

Here are a few links regarding the router method.