2009 Ford F450 Owner's Manual - Page 18
2009 Ford F450 Manual
Page 18 highlights
Instrument Cluster Powertrain malfunction/Reduced power/Electronic throttle control (RTT): Displays when the engine has defaulted to a "limp-home" operation or when a transmission problem has been detected and shifting may be restricted. If the light remains on, have the system serviced immediately by your authorized dealer. Traction Control™ (RTT) (if equipped): Displays when the Traction Control™ system is active. If the light remains on, have the system serviced immediately by your authorized dealer. Refer to Traction Control™ in the Driving chapter for more information Check fuel cap (RTT): Displays when the fuel cap may not be properly installed. Continued driving with this light on may cause the Service engine soon warning light to come on. Refer to Fuel filler cap in the Maintenance and Specifications chapter. Engine coolant temperature (RTT): Displays when the engine coolant temperature is high. Stop the vehicle as soon as safely possible, switch off the engine and let it cool. Refer to Engine coolant in the Maintenance and Specifications chapter. WARNING: Never remove the coolant reservoir cap while the engine is running or hot. Low fuel (RTT): Displays when the fuel level in the fuel tank is at or near empty (refer to Fuel gauge in this chapter). 18 2009 F-250/350/450/550 (f23) Owners Guide, 3rd Printing USA (fus)
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