Hands-Free Calling
1. Push 
. System responds:
“OnStar ready.” 2. Say “Dial.” System responds:
“Please say the name or number to call.” 3. Say the entire number without pausing, including a “1” and the area code. System responds:
“OK calling.”
See also:
OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be
downloaded. The vehicle can be remote started, if equipped, or the doors can be
unlocked from anywhere there is cell ...
Ignition Positions
The ignition switch has four different positions.
In order to shift out of P (Park), the ignition must be in ON/RUN or ACC/ACCESSORY and the brake pedal must be applied.
Notice: Using a tool to fo ...
Service Vehicle Messages
SERVICE A/C (Air Conditioning) SYSTEM
This message displays when the electronic sensors that control the air conditioning and heating systems are no longer working.
Have the climate control system s ...