2004 Ford F150 Owner Guide 5th Printing - Page 78

Driver Controls STOP ENGINE SAFELY. Displayed when the engine is overheating. Stop the vehicle as soon as safely possible, turn off the engine. If the warning stays on or continues to come on, contact your dealer as soon as possible. LOW FUEL LEVEL. Displayed as an early reminder of a low fuel condition. CHECK CHARGING SYSTEM. Displayed when the electrical system is not maintaining proper voltage. If you are operating electrical accessories when the engine is idling at a low speed, turn off as many of the electrical loads as soon as possible. If the warning stays on or comes on when the engine is operating at normal speeds, have the electrical system checked as soon as possible. LOW BRAKE FLUID LEVEL. Indicates the brake fluid level is low and the brake system should be inspected immediately. Refer to Checking and adding brake fluid in the Maintenance and Specifications chapter. LOW OIL PRESSURE. Displayed when the engine oil pressure is low. If this warning message is displayed, check the level of the engine oil. Refer to Engine oil in the Maintenance and Specifications chapter for information about adding engine oil. If the oil level is OK and this warning persists, shut down the engine immediately and contact your dealership for service. CHECK FUEL CAP. Displayed when the fuel filler cap is not properly installed. Check the fuel filler cap for proper installation. Refer to Fuel filler cap under the Fuel Information section in the Maintenance and Specifications chapter. ENGINE FAILSAFE MODE. Displayed when the engine has defaulted to a 'limp-home' operation. If the warning stays on or continues to come on, contact your dealer as soon as possible. DATA ERR. These messages indicate improper operation of the vehicle network communication between electronic modules. • Fuel computer • Charging system • Autolamp delay • Auto locks • Brake fluid • Compass • Outside temperature • Engine sensor 78 2004 F150 (f12) Owners Guide (post-2002-fmt) USA English (fus)