2018-F150-Owner's Manual

Instrument Cluster

Stability Control and Traction Control Indicator Flashes during operation. If it does not illuminatewhen you switch the ignition on, or remains on when the engine is running, this indicates amalfunction. Have your vehicle checked as soon as possible. See Using Stability Control (page 229). Stability Control and Traction Control Off Warning Lamp It illuminates when you switch the system on. If it illuminates when the engine is running this indicates amalfunction and could result in transmission damage not covered by the vehicle Warranty. Have your vehicle checked as soon as possible. Wait To Start (If Equipped) Illuminates when you switch the ignition on as part of the pre-start system. Wait until the wait to start indicator turns off before attempting to start vehicle. See Starting E138639 E130458 It illuminates when you switch the system off. TowHaul Indicator (If Equipped) E161509

During refueling, it is possible for you to pump water-contaminated diesel fuel into your fuel tank. Your vehicle’s fuel system is equipped with a fuel filter and water separator to remove water from the fuel. Thewater in fuel indicator lightswhen the fuel and water separator has a significant quantity of water in it and requires immediate draining. If the water in fuel indicator illuminates when the engine is running, stop your vehicle as soon as safely possible, shut off the engine, then drain the fuel and water separator. See Fuel Quality (page 182). Allowing water to stay in the fuel system, after thewater in fuel indicator illuminates, could result in extensive damage or failure of the fuel injection system. Note: Do not drain the fuel and water separator while the engine is running. Air will enter into the fuel systemcausing the engine not to operate properly. AUDIBLEWARNINGS AND INDICATORS Airbag SecondaryWarning Sounds if there is a malfunction with the safety belt warning lamp and there is a fault in the supplemental restraints system. Beltminder Warning Sounds when a seatbelt is unfastened in an occupied seat and your vehicle is moving. Door Ajar Warning Sounds when any door is not completely closed and your vehicle speed exceeds 3 mph (5 km/h).

a Diesel Engine (page 173). Water In Fuel (If Equipped) WARNING

Do not drain the water-in-fuel separator while the engine is running. Failure to follow this warning may

result in fire, serious injury, death or property damage.

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F-150(TFC)Canada/UnitedStatesofAmerica,enUSA,Editiondate:201709,SecondPrinting