See also:

Fuel Economy Mode
Vehicles with a 2.4L engine have a Fuel Economy Mode. When engaged, fuel economy mode can improve the vehicle's fuel economy Press the “eco” (economy) button by the shift lever to turn th ...

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 ...

Tow/Haul Mode
Pressing this button at the end of the shift lever turns on and off the Tow/Haul Mode. This indicator light on the instrument panel cluster comes on when the Tow/Haul Mode is on. Tow/Haul is a f ...