Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.
See also:
How the System Works
URPA comes on automatically when the shift lever is moved into R (Reverse). A
single tone sounds to indicate the system is working.
URPA operates only at speeds less than 8 km/h (5 mph).
An obstac ...
Transmission Messages
DIFFERENTIAL HOT, REDUCE
SPEED (CTS-V ONLY)
This message displays and a
chime sounds if the differential
fluid temperature exceeds 150°C
(300°F). Driving aggressively or
at high speeds can ...
Climate Controls
The heating, cooling, and ventilation in the vehicle can be controlled with this
system.
Climate Control with Cooled and Heated Seats shown
A. Driver and Passenger Temperature Controls
B. AUTO ...