2003 Lincoln Aviator Owner Guide 1st Printing (Spanish) - Page 600

Driving dirt (do not clean the sensors with sharp objects). If the sensors are covered, it will affect the accuracy of the system. If your vehicle sustains damage to the rear bumper/fascia, leaving it misaligned or bent, the sensing zone may be altered causing inaccurate measurement of obstacles or false alarms. ALL WHEEL DRIVE (AWD) SYSTEM (IF EQUIPPED) Your vehicle may be equipped with an All Wheel Drive (AWD) transfer case. With the AWD option, power is supplied to all four wheels automatically with no need to shift between two-wheel drive and four-wheel drive. If your vehicle is equipped with the AdvanceTrac௢ stability enhancement feature, you can change AWD modes, if desired, by selecting AWD options through the message center. For the lubricant specification and refill capacity of the AWD transfer case refer to Maintenance and specifications chapter. If your vehicle is equipped with AWD, a spare tire of a different size than the road tires should never be used. Such a tire could make the vehicle difficult to control as well as result in damage to driveline components. Utility and four-wheel drive vehicles are not designed for cornering at speeds as high as passenger cars any more than low-slung sports cars are designed to perform satisfactorily under off-road conditions. Avoid sharp turns or abrupt maneuvers in these vehicles. The following sections, Normal operation, Autolock operation and Disabling AWD, apply only to vehicles which allow the driver to change AWD modes through the message center. Normal operation (vehicles equipped with AdvanceTracி only) During normal operation: • the AWD system is in AWD AUTO mode (AWD LOCKED will illuminate in the message center for four seconds when you first start your vehicle). The AWD LOCKED indicator in the instrument cluster will also come on. • AWD AUTO mode can be overridden by pressing SETUP in the message center. When you first press SETUP, AWD will be displayed, then if you press RESET within four seconds of pressing 232