See also:

Oil Life Remaining
If the vehicle has this display, it shows the estimated oil life remaining. If you see 99% Oil Life Remaining on the display, that means that 99% of the current oil life remains. When the o ...

Side Blind Zone Alert (SBZA)
The vehicle may have a Side Blind Zone Alert (SBZA) system. Read this entire section before using the system. WARNING! SBZA does not detect vehicles rapidly approaching outside of the side ...

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 the v ...