Yes. It is funny!
If I can find a SWAP (solution without a problem) I'll invest in it!!

check out www.x10.com

You will need a remote and a receiver. Use the remote to "teach" the buttons in the car and then the receiver will turn the lamp, house lights, coffee maker, or whatever on/off for you.

Don't you just need the lamp module for 12 bucks? Do you need a vehicle interface when homelink comes with the car?

2007 Camry Hybrid - Titanium Metallic - sunroof, heated mirrors, mud flaps and body side molding.

2004 Honda Pilot EX- Midnight Blue (another great car!) http://www.hondapilot.org/

No. You would need the Vehicle Interface that plugs into the wall outlet. This communicates with the car's homelink system and operates the lamp modules.

You can also use a traditional X10 transmitter to program the Homelink system (e.g., http://www.x10.com/automation/x10_mc460.htm), and a traditional X10 transceiver to receive signals from Homelink system (e.g., http://www.x10.com/automation/x10_tm751.htm).

You don't HAVE to specifically use the "Vehicle Interface".