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
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and
an Advisor can run a check.
See also:
Starting the Vehicle Messages
PRESS BRAKE TO START VEHICLE
This message is displayed when attempting to start the vehicle without first
pressing the brake pedal.
SERVICE KEYLESS START SYSTEM
This message is displayed if ...
2007 Cadillac DTS Review
The Cadillac DTS might be among the last of the big boats, but it's no
ordinary land yacht.
This car has the comfort of a cruise ship, and all that's lacking is
white-clad waiters bringing food ...
Storing Memory Positions
To save into memory:
1. Adjust the driver seat, outside
mirrors, and the power steering
column, if equipped, to the
desired driving positions.
2. Press and hold “1” until
two beeps sound.
3 ...