Special Application Services
- Vehicles with manual transmissions: Every two years drain, flush, and fill clutch hydraulic system.
- Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.
- Have underbody flushing service performed once a year.
See also:
Steering Wheel Controls
Some audio steering wheel
controls could differ depending
on the vehicle's options.
Controls that can be adjusted at the
steering wheel may include:
SRCE: Press to switch between
AM, FM, o ...
Power Lumbar
A. Side Bolster Control
B. Lumbar Support Control
C. Seatback Bolster Control
To adjust the lumbar support,
if equipped:
- Press and hold the top of the
control (B) to increase support to
...
Voice Recognition
The navigation system's voice recognition allows for hands-free operation of
the navigation system, audio system, and OnStar (if equipped) features.
Voice recognition can be used when the ignit ...






