Verify Minutes and Expiration
Cadillac CTS / Cadillac CTS Owners Manual / OnStar / OnStar Services / Connections / Verify Minutes and Expiration
Push 
and say “minutes” then
“verify” to check how many minutes
remain and their expiration date.
See also:
When to Check Lubricant
Refer to Maintenance Schedule to determine how often to check the
lubricant. ...
Clock
The analog clock is not connected with any other vehicle system and runs by itself.
To adjust the clock, do the following:
1. Locate the adjustment button, near the lower left corner of the clock.
...
Vehicle Data Recording and Privacy
This GM vehicle has a number of sophisticated computers that record
information about the vehicle’s performance and how it is driven.
For example, the vehicle uses computer modules to monitor and ...