Groupon again offers the Griffin AutoPilot for Apple iPhone and iPod, model no. GC17048, for $4.99 plus $2.99 for shipping. That's tied with our mention from a month ago and the lowest total price we could find by $1. This device streams audio from your iPhone or iPod through car stereo. It features a remote control, three-color charging light, and a power adapter that simultaneously charges your device. Deal ends July 6 at 1 am ET.