Page 563 of 649

SPECIAL OPERATING CONDITIONS
SCHEDULED MAINTENANCE
If you operate your vehicle primarily in anyof the following conditions, you need toperform extra maintenance, as indicated. Ifyou operate your vehicle occasionally underany of these conditions, it is not necessaryto perform the extra maintenance. For
specific recommendations, see yourdealership service advisor or technician.
Perform the services shown in the followingtables when specified or within 3,000 mi(4,800 km) of the message appearing in theinformation display prompting you to changeyour oil.
•Example 1: The message comes on at28,751 mi (46,270 km). Perform the30,000 mi (48,000 km) automatictransmission fluid replacement.
•Example 2: The message has not comeon, but the odometer reads 30,000 mi(48,000 km) (for example, the IntelligentOil-Life Monitor was reset at 25,000 mi(40,000 km)). Perform the engine air filterreplacement.
Towing a Trailer or Using a Car-top Carrier
Change engine oil and filter as indicated by the information display and perform services listed in the NormalScheduled Maintenance chart.As required
Inspect and lubricate U-joints (if equipped with grease fittings).Inspect frequently, serviceas requiredSee axle maintenance items under Exceptions.
Change transfer case fluid (Four-wheel drive vehicles).Every 60,000 mi(96,000 km)Replace spark plugs.
560
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
Scheduled Maintenance
Page 565 of 649

Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)
Change engine oil and filter.1Every 5,000 mi (8,000 km)or six months
Change transfer case fluid (Four-wheel drive vehicles).Every 60,000 mi(96,000 km)
1Reset your Intelligent Oil-Life Monitor after each engine oil and filter change.
Off-road Operation
Inspect steering linkage, ball joints and U-joints. Lubricate if equipped with grease fittings.Inspect frequently, serviceas requiredReplace engine air filter.
Replace cabin air filter.
Change engine oil and filter.1Every 5,000 mi (8,000 km)or six months
Inspect the wheels and related components for abnormal noise, wear, looseness or drag.
Rotate tires, inspect tires for wear and measure tread depth.
Change transfer case fluid (Four-wheel drive vehicles).Every 60,000 mi(96,000 km)
1Reset your Intelligent Oil-Life Monitor after each engine oil and filter change.
562
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
Scheduled Maintenance
Page 643 of 649

Mobile Communications Equipment...........14Moonroof.........................................................109Bounce-Back.........................................................110Opening and Closing the Moonroof...............110
Motorcraft Parts............................................423MyKey — Troubleshooting............................70MyKey™..............................................................68Principle of Operation.........................................68
N
Navigation......................................................496cityseeker.............................................................505Destination Mode...............................................497Map Mode............................................................496Navigation Map Updates.................................506Navigation Menu................................................502SiriusXM Traffic and Travel Link.....................506SYNC AppLink....................................................505Waypoints.............................................................504
Normal Scheduled Maintenance.............556Intelligent Oil-Life Monitor...............................556Normal Maintenance Intervals........................558
O
Oil Change Indicator Reset.......................365
Oil CheckSee: Engine Oil Check......................................364
Opening and Closing the Hood................361Ordering Additional Owner'sLiterature.....................................................340Obtaining a French Owner’s Manual............340
Overhead Console.......................................189
P
Parking Aids...................................................237Principle of Operation.......................................237
Passive Anti-Theft System............................83SecuriLock™............................................................83
PATSSee: Passive Anti-Theft System........................83
Pedals................................................................93Perchlorate........................................................12Personal Safety System™...............................51How Does the Personal Safety SystemWork?....................................................................51
Phone..............................................................487During a Phone Call...........................................493Making Calls........................................................492Pairing Your Cell Phone for the FirstTime...................................................................488Phone Menu........................................................489Receiving Calls....................................................493
Smartphone Connectivity................................495Text Messaging...................................................494
Post-Crash Alert System..............................331Power Door LocksSee: Locking and Unlocking..............................72
Power Liftgate..................................................79Obstacle Detection...............................................81Opening and Closing the Liftgate....................79Setting the Liftgate Open Height......................81Stopping the Liftgate Movement......................80Using the Hands-Free Liftgate...........................81
Power Running Boards..................................87Power Seats....................................................163Adjusting the Lumbar Support.........................165Adjusting the Multi-Contour Front Seats WithActive Motion ..................................................165
Power Windows.............................................104Accessory Delay..................................................105Bounce-Back........................................................104One-Touch Down................................................104One-Touch Up......................................................104Window Lock........................................................105
Pre-Collision Assist.......................................281Adjusting the Pre-Collision AssistSettings.............................................................284Blocked Sensors.................................................284Distance Indication and Alert..........................282Using the Pre-Collision Assist System..........282
640
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
Index