Step by Step Winterizing Checklist article written by Mark J Polk for KOA.com Rick's RV Center is San Diego's largest and continuously family owned & operated RV repair shop and we know the importance proper maintenance is for your RV. We want to share this great article from KOA.com that includes a thorough checklist for you to use as you winterize your RV. Click Here to Read the Article: Step by Step Winterizing Checklist Rick’s RV has 20 service bays and the entire team o