2008 Lincoln Navigator Owner Guide 2nd Printing (Spanish) - Page 655

Driving Servicing • If the vehicle is in R (Reverse) and the screen in the rear view mirror appears blue for three seconds and turns blank afterwards, the camera is not working properly; have the system inspected by your authorized dealer. • If the image comes on while the vehicle is not in R (Reverse), have the system inspected by your authorized dealer. • If the vehicle is in R (Reverse) and the screen is blank and no blue screen is observed, the mirror is not working properly; have the system inspected by your authorized dealer. • If the image is not clear, then check if there is anything covering the lens such as dirt, mud, ice, snow, etc. If the image is still not clear after cleaning, have your system inspected by your authorized dealer. CONTROL TRAC FOUR-WHEEL DRIVE (4X4) OPERATION (IF EQUIPPED) For important information regarding safe operation of this type of vehicle, see Preparing to drive your vehicle in this chapter. Do not use 4X4 mode on dry, hard surfaced roads. Doing so will produce excessive noise, increase tire wear and may damage drive components. 4X4 mode is only intended for consistently slippery or loose surfaces. Use of 4X4 mode on these surfaces may produce some noise (such as occasional clunks) but will not damage drive components. Your 4x4 features the heavy-duty Control Trac system which includes a computer-operated transfer case. This unique system is interactive with the road, continually monitoring and adjusting torque delivery to the front and rear wheels to optimize vehicle control. System indicator messages The Control Trac system indicator messages display in the reconfigurable telltale (RTT) location in the message center only under the following conditions. If these messages display when driving in 4X2, contact your authorized dealer as soon as possible. Refer to Warning lights and chimes in the Instrument Cluster chapter. • 4X4 AUTO - displays when 4X4 AUTO is selected. • 4X4 - displays when 4X4 is selected. 259 2008 Navigator (nav) Owners Guide (post-2002-fmt) USA (fus)