Place a Call Using a Stored Number
1. Push 
. System responds:
“OnStar ready.” 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.”
See also:
Deleting a Paired Phone
If the phone name you want to delete is unknown, see “Listing All Paired and Connected Phones.” 1. Press and hold for two seconds.
2. Say “Bluetooth.” 3. Say “Delete.” The system asks wh ...
Lockout Protection
This feature protects you from locking the key in the vehicle when the key is in the ignition and a front door is open.
If the driver side power door lock switch is pressed when the driver door is op ...
How to Check Lubricant
2500HD with 6.0 L
All Other Series and Engines
To get an accurate reading, the vehicle should be on a level surface.
• For all 4.3 L, 4.8 L and 5.3 L 1500 Series applications, the proper leve ...