2013 Jeep Patriot Owner's Manual - Page 470

468 MAINTAINING YOUR VEHICLE the fill plug. The fluid level should be maintained be- hot or cold weather and other extreme conditions will tween the bottom of the fill hole to 1/8 in (4 mm) below have an adverse effect on paint, metal trim, and underbody protection. the fill hole. Add fluid, if necessary, to maintain the proper level. Frequency Of Fluid Change The following maintenance recommendations will enable you to obtain maximum benefit from the corrosion resistance built into your vehicle. Refer to the "Maintenance Schedule" for the proper What Causes Corrosion? maintenance intervals. Corrosion is the result of deterioration or removal of Appearance Care And Protection From Corrosion paint and protective coatings from your vehicle. Protection Of Body And Paint From Corrosion The most common causes are: Vehicle body care requirements vary according to geo• Road salt, dirt and moisture accumulation. graphic locations and usage. Chemicals that make roads passable in snow and ice and those that are sprayed on • Stone and gravel impact. trees and road surfaces during other seasons are highly • Insects, tree sap and tar. corrosive to the metal in your vehicle. Outside parking, which exposes your vehicle to airborne contaminants, • Salt in the air near seacoast localities. road surfaces on which the vehicle is operated, extreme • Atmospheric fallout/industrial pollutants.