Folks, i just too my "new to me" 2010 Explorer with a 4.0 V-6 in for the first oil change since i've had it, it just turned over 67,000 miles. Anyway i had a Firstone coupon for $19.99 and when i went to get my car and pay they told me $55.00 and i said what? Anyways the manager, who i know...