See also:

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 c ...

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 ...

Remote Lock/ Unlock/ Start
Select Remote Lock Unlock, Start and the following will be displayed (depending on the system): Remote Lock Feedback Remote Door Unlock Remote Unlock Feedback Remote Lock Feedback This a ...