Navigation System
If the vehicle has a navigation system, use of the system may result in the storage of destinations, addresses, telephone numbers, and other trip information. Refer to the navigation manual for information on stored data and for deletion instructions.
See also:
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 ...
Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control
equipment. For the inspection, the emission system test equipment is connected to
the vehicle’s Data Link Conn ...
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when dri ...