2012 Jeep Grand Cherokee Owner Manual - Page 612

610 MAINTAINING YOUR VEHICLE CAUTION! Be aware that if the fluid temperature is below 50°F (10°C) it may not register on the dipstick. Do not add fluid until the temperature is elevated enough to produce an accurate reading. 7. Check for leaks. Release parking brake. passable in snow and ice, and those that are sprayed on trees and road surfaces during other seasons, are highly corrosive to the metal in your vehicle. The following maintenance recommendations will enable you to obtain maximum benefit from the corrosion resistance built into your vehicle. What Causes Corrosion? Corrosion is the result of deterioration or removal of To prevent dirt and water from entering the transmission paint and protective coatings from your vehicle. after checking or replenishing fluid, make certain that the dipstick cap is properly reseated. It is normal for the The most common causes are: dipstick cap to spring back slightly from its fully seated • Road salt, dirt and moisture accumulation. position, as long as its seal remains engaged in the • Stone and gravel impact. dipstick tube. Appearance Care And Protection From Corrosion • Insects, tree sap and tar. • Salt in the air near seacoast localities. Protection Of Body And Paint From Corrosion Vehicle body care requirements vary according to geo• Atmospheric fallout/industrial pollutants. graphic locations and usage. Chemicals that make roads