2005 Ford F250 Owner Guide 3rd Printing - Page 200

Driving Do not leave the vehicle unattended with the transfer case in the N (Neutral) position. Always set the parking brake fully and turn off the ignition when leaving the vehicle. Using the electronic shift 4WD system (if equipped) Positions of the electronic shift system The electronic shift 4WD system is designed to allow up to 45 seconds before a shift command is performed. In the event that conflicting shift commands are selected, allow up to 45 seconds for the shift command to be performed prior to reporting any shift concerns to your dealer. 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. 4L (4WD Low)- For low-speed off-road applications that require extra power such as steep grades, deep sand or pulling a boat out of the water. Sends power to front and rear wheels. Shifting from 2WD (2WD High) to 4x4 HIGH (4WD High) Rotate the 4WD control to the 4x4 HIGH position at speeds up to 55 mph (88 km/h). • The electronic shift 4WD system is designed to engage 4x4 HIGH (4WD High) when the vehicle is moving. If shifted to 4x4 HIGH (4WD HIGH) while at complete stop, 4x4 may not engage and the 4x4 indicator may not illuminate until the vehicle is driven above 5 mph (8 km/h). • Do not shift into 4x4 HIGH with the rear wheels slipping. 200 2005 F250/350/450/550 (f23) Owners Guide (post-2002-fmt) USA_English (fus)