Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.
- The ignition should turn to LOCK/OFF only when the shift lever is in P (Park).
- The ignition key should come out only in LOCK/OFF.
Contact your dealer if service is required.
See also:
Brake Assist
(Except CTS-V)
This vehicle has a brake assist
feature designed to assist the
driver in stopping or decreasing
vehicle speed in emergency driving
conditions. This feature uses the
stability system hydrauli ...
Low-Profile Tires
If the vehicle has P235/50R18,
245/45ZR19, P245/45R19,
255/40ZR19, P265/45R18,
275/40ZR19 or 285/35ZR19 size
tires, they are classified as
low–profile tires. These tires are
designed for v ...
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 ...






