2010 Jeep Grand Cherokee Owner's Manual - Page 260

STARTING AND OPERATING 259 turns or abrupt maneuvers. As with other vehicles of this Driving Through Water type, failure to operate this vehicle correctly may result in Although your vehicle is capable of driving through water, there are a number of precautions that must be loss of control or vehicle rollover. considered before entering the water. OFF-ROAD DRIVING TIPS NOTE: Prior to off-road driving, remove the front air dam to prevent damage. The front air dam is attached to the lower front fascia with quarter turn fasteners and can be removed by hand. When to Use 4WD LOW Range - If Equipped When off-road driving, shift to 4WD LOW for additional traction. This range should be limited to extreme situations such as deep snow, mud, or sand where additional low speed pulling power is needed. Vehicle speeds in excess of 25 mph (40 km/h) should be avoided when in 4WD LOW range. CAUTION! When driving through water, do not exceed 5 mph (8 km/h). Always check water depth before entering, as a precaution, and check all fluids afterward. Driving through water may cause damage that may not be covered by the new vehicle limited warranty. Driving through water more than a few inches/ centimeters deep will require extra caution to ensure safety and prevent damage to your vehicle. If you must drive through water, try to determine the depth and the bottom condition (and location of any obstacles) prior to 5