Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating on page 10‑20.
See also:
When the Light Is On Steady
This indicates that one or more of the tires are significantly underinflated.
A Driver Information Center (DIC) tire pressure message may also display. See Vehicle Messages on page 5‑42 for mor ...
Transfer Case
Refer to the Maintenance Schedule to determine how often to check the lubricant
and when to change it. See Maintenance Schedule on page 11‑3. ...
Under the Hood
The Yukon Hybrid uses a two-mode hybrid system. The system augments the SUV's
V-8 engine with two electric motors, both powered by a 300-volt battery pack. A
cylinder-deactivation system cuts powe ...