How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface.

1500 Series
A. Fill Plug
B. Drain Plug

All Except 1500 Series
A. Fill Plug
B. Drain Plug
• When the differential is cold, add enough lubricant to raise the level from 0mm (0 in) to 3.2mm (1/8 in) below the fill plug hole.
• When the differential is at operating temperature (warm), add enough lubricant to raise the level to the bottom of the fill plug hole.
See also:
Units
Press the vehicle information button until UNITS displays. This display allows you to select between metric or English units of measurement.
Once in this display, press the set/ reset button to selec ...
Overheated Engine Protection Operating Mode
If an overheated engine condition exists and the ENGINE POWER IS REDUCED message displays, an overheat protection mode which alternates firing groups of cylinders helps to prevent engine damage. In th ...
Maintenance when Trailer Towing
The vehicle needs service more often when pulling a trailer. See Maintenance Schedule on page 11‑3. Things that are especially important in trailer operation are automatic transmission fluid, en ...





