2003 Ford F350 Owner Guide 5th Printing - Page 130

Driving • is operated by a rotary control located on the instrument panel that allows you select 2WD, 4x4 High or 4x4 Low operation. • uses auto-manual hub locks that can be engaged and disengaged automatically based on the 4x4 mode selected. • auto-manual hub locks can be manually overridden by rotating the hub lock control from AUTO to LOCK if desired. • automatic operation of the hub locks is recommended, and will increase fuel economy • For proper operation, make sure that the arrow and the indicator dot on the hub are aligned, and that both hub locks are set the same (both set to AUTO or both set to LOCK). 4WD system indicator lights The 4WD system indicator lights illuminate only under the following conditions. If these lights illuminate when driving in 2WD, contact your Ford dealer as soon as possible. • 4x4 - momentarily illuminates after the engine is started. Illuminates when 4H (4x4 High) or 4L (4x4 Low) is engaged. • LOW RANGE - momentarily LOW illuminates when the ignition is RANGE turned to the ON position. Illuminates when 4L (4x4 Low) is engaged. 4x4 Using a manual 4WD system (if equipped) Note: Some noise may be heard as the 4WD system shifts or engages. This is normal. 2H (2WD High) - For general on-road driving. Sends power to the rear wheels only. 4H (4WD High) - For winter and off-road conditions. Sends power to front and rear wheels. 130 2003 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA English (fus)