2008 Cadillac Escalade Owner's Manual - Page 377

All-Wheel Drive Transfer Case If your vehicle is equipped with All-Wheel Drive, be sure to perform the lubricant checks described in this section. There are two additional systems that need lubrication. To get an accurate reading, the vehicle should be on a level surface. If the level is below the bottom of the filler plug hole, located on the transfer case, you'll need to add some lubricant. Add enough lubricant to raise the level to the bottom of the filler plug hole. Use care not to overtighten the plug. When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant. See Scheduled Maintenance on page 6-4. What to Use Refer to the Maintenance Schedule to determine what kind of lubricant to use. See Recommended Fluids and Lubricants on page 6-13. How to Check Lubricant (A) Drain Plug (B) Filler Plug 5-45