2007 Ford F350 Owner Guide 2nd Printing - Page 191
2007 Ford F350 Manual
Page 191 highlights
Driving LOW (4WD Low) can be engaged, the vehicle speed must be below 3 mph (5 km/h) with the brake pedal depressed and the transmission in N (Neutral). This vehicle is equipped with a non-synchronous low range gearset which will not allow the transfer case to shift into 4X4 LOW (4WD Low) if vehicle speed is above 3 mph (5 km/h). It is recommended that a shift to 4X4 LOW (4WD Low) is performed while the vehicle is rolling at a speed below 3 mph (5 km/h). The 4WD system: • provides 4x4 High engagement and disengagement while the vehicle is moving. • 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 each hub is fully engaged and that both hub locks are set to the same position (both set to LOCK or both set to AUTO). To engage LOCK, turn the hub locks completely clockwise; to engage AUTO, turn the hub locks completely counterclockwise. 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 authorized dealer as soon as possible. • 4x4 - momentarily illuminates after the engine is started. Illuminates when 4H (4x4 High) or 4L (4x4 Low) is engaged. 4x4 191 2007 F-250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA (fus)