OnStar Services
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 ...
Traction Control System (TCS)
The vehicle has a Traction Control System (TCS) that limits wheel spin. On a
front-wheel-drive vehicle, the system operates if it senses that one or both of
the front wheels are spinning or beginn ...
Playing a DVD
(Tune): Turn to change tracks on a CD or DVD, to manually tune a radio station, or to change clock or date settings, while in the clock or date setting mode. See the information earlier in this secti ...





