turn signal bulb FORD F450 SUPER DUTY 2017 Owners Manual

Cruise Control (If Equipped)
Illuminates when you switch thisfeature on. See Using CruiseControl (page 239).
Direction Indicator
Illuminates when the left or rightturn signal or the hazard warningflasher is turned on. If theindicators stay on or flash faster, check fora burned out bulb.
Door Ajar
Displays when the ignition is onand any door is not completelyclosed.
Electronic Locking Differential (If
Equipped)
Illuminates when using theelectronic locking differential.
Engine Coolant Temperature
Illuminates when the enginecoolant temperature is high.Stop the vehicle as soon aspossible, switch off the engine and let cool.
Engine Oil
If it illuminates with the enginerunning or when you are driving,this indicates a malfunction.Stop your vehicle as soon as it is safe todo so and switch the engine off. Check theengine oil level. See Engine Oil Check(page 327).
Note:Do not resume your journey if itilluminates despite the level being correct.Have the system checked by your authorizeddealer immediately.
Fasten Seatbelt
It illuminates and a chimesounds to remind you to fastenyour seatbelt.
Front Airbag
If it fails to illuminate when youstart your vehicle, continues toflash or remains on, it indicatesa malfunction. Have the system checkedby your authorized dealer.
Front Fog Lamps (If Equipped)
It illuminates when you switchthe front fog lamps on.
High Beam
Illuminates when you switch thehigh beam headlamps on. It willflash when you use theheadlamp flasher.
Hill Descent (If Equipped)
Illuminates when hill descent isswitched on.
Low Fuel Level
Illuminates when the fuel levelis low or the fuel tank is nearlyempty. Refuel as soon aspossible.
Low Tire Pressure Warning
Illuminates when your tirepressure is low. If the lampremains on with the enginerunning or when driving, check your tirepressure as soon as possible.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Instrument ClusterE71340 E163170 E71880 E67017 E163171