See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may display one after the other. The messages that do ...

Interior
Five occupants fit inside the Escalade EXT's cab, which includes a 60/40-split rear bench seat. The midgate extends the bed from 5 feet 3 inches long to 8 feet 1 inch, and it folds into the interi ...