Lumbar Adjustment
Power Lumbar

If available, press and hold the front or rear of the control to increase or decrease lumbar support. Release the control when the seatback reaches the desired level of lumbar support.
See also:
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have
them sent to the vehicle navigation screen. Destinations can also be forwarded to
the v ...
Interior
The ESV's extended dimensions don't yield significant gains for first- or
second-row occupants, but third-row passengers gain nearly 10 inches of legroom.
Cargo volume behind the third row increas ...
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 ...






