air suspension FORD FOCUS RS 2018 Owners Manual

USING ALL-WHEEL DRIVE
Your vehicle has All-Wheel Drive withDynamic Torque Vectoring. This featureuses all four wheels to power the vehicleand independently controls the torque toeach rear wheel. The system also has theability to over speed the outside rear wheelwhile cornering. This increases traction andhandling performance giving your vehicleroad holding capabilities that are superiorto conventional two-wheel drive andfour-wheel drive vehicles. The system isactive all the time and requires no inputfrom the driver. The system has differentDrive Mode calibration settings thatoptimize all-wheel drive performance forvarious conditions. See Drive Control(page 20).
Your vehicle is not intended for off-roaduse in the same way as an all-terrainvehicle. The all-wheel drive feature givesyour vehicle some limited off-roadcapabilities where driving surfaces arerelatively level, obstruction-free and similarto normal on-road driving conditions.Operating your vehicle under other thanthose conditions could subject the vehicleto excessive stress which can result indamage not covered by the vehicleWarranty.
The rear drive unit does not require anynormal scheduled maintenance. Thesystem is electronically monitored and anyrequired service messages appear in theinformation display. The rear drive unitlubricants may require changing if you useyour vehicle for extended periods of highspeed driving, for example track use. Youare not required to check or change therear drive unit lubricant unless there aresigns of leakage or a message appears inthe information display indicating that theunit requires service.
Using Mismatched Tires or Wheels
WARNINGS
Only use replacement tires andwheels that are of the same size,load index, speed rating and type asthose originally fitted to your vehicle.
Using a tire or wheel that is notrecommended can affect the safetyand performance of your vehicle andcould result in a loss of vehicle control,vehicle rollover, personal injury or death.
The recommended tire and wheel size canbe found on either the Safety ComplianceCertification Label or the tire informationlabel on the left-hand B-pillar or left-handfront door. If this information is not locatedas stated contact an authorized dealer assoon as possible.
Note:Using a tire or wheel that is notrecommended could cause steering,suspension, axle, power transfer unit or reardrive unit failure. Incorrect tire or wheel usecan cause damage not covered by thevehicle Warranty.
Your vehicle does not have a spare tire. Wedo not recommend using a mismatchedtire or spare wheel. However, in anemergency, the system can tolerate amismatched tire or spare wheel of adifferent size to the original for a shortjourney. The system may automaticallyenter front-wheel drive only mode toprotect driveline components. An all-wheeldrive off warning message may appear inthe information display if you install amismatched tire or spare wheel. SeeInformation Messages (page 8). Themessage turns off after you reinstall thecorrect wheel and tire and you switch theignition off and on. We recommend thatyou reinstall the repaired or replaced wheeland tire as soon as possible.
132018 Focus RS (CEW) RS, Canada/United States of America, JM5J 19A285 LAA enUSA, Edition date: 201706, First PrintingAll-Wheel Drive

A
About This Supplement.................................3ABSSee: Brakes..............................................................18Air FilterSee: Changing the Engine Air Filter...............28All-Wheel Drive................................................13At a Glance..........................................................5AWDSee: All-Wheel Drive............................................13
B
Brakes..................................................................18General Information.............................................18Brake System Specifications.....................38
C
Capacities and Specifications...................41Adding Engine Oil.................................................42Specifications........................................................42Car WashSee: Cleaning the Exterior..................................31Changing the Engine Air Filter...................28Cleaning the Exterior......................................31Cleaning Vehicle Wrap........................................31
D
Drive Belt Routing..........................................29Drive Control....................................................20Enhanced Torque Vectoring Control..............21Selectable Drive Modes.....................................20Suspension Damping...........................................21Driving Aids.......................................................20Driving Hints.....................................................23Driving Through Water..................................23
E
Engine Oil Dipstick.........................................28Engine Overboost...........................................23Engine Overspeed..........................................23Engine Specifications...................................36
F
Ford Performance............................................4Fuel and Refueling...........................................11Fuel Quality........................................................11Choosing the Right Fuel.......................................11Fuses...................................................................25Fuse Specification Chart.............................25Engine Compartment Fuse Box......................25Luggage Compartment Fuse Box..................26
G
Gauges..................................................................7Oil Pressure Gauge.................................................7Oil Temperature Gauge.........................................7Turbocharger Boost Gauge.................................7GearboxSee: Transmission.................................................12General Maintenance Information..........44Protecting Your Investment.............................44
I
Information Displays.......................................8General Information..............................................8Information Messages....................................8All-Wheel Drive.......................................................9Electronic Stability Control.................................9Message Indicator..................................................8Instrument Cluster............................................7Introduction........................................................3
M
Maintenance.....................................................27Manual Seats...................................................10Manual Transmission.....................................12Recommended Shift Speeds...........................12Message CenterSee: Information Displays...................................8Motorcraft Parts..............................................41
R
Roadside Emergencies.................................24
452018 Focus RS (CEW) RS, Canada/United States of America, JM5J 19A285 LAA enUSA, Edition date: 201706, First PrintingIndex