See also:

Airbag System Check
The airbag system does not need regularly scheduled maintenance or replacement. Make sure the airbag readiness light is working. See Airbag Readiness Light  for more information. Notice: If an a ...

PhatNoise a segment first
Also available is the first-in-segment Mobile Digital Media Powered by PhatNoise system. PhatNoise is a wallet-sized, 40-gigabyte hard drive that installs in the Terraza's overhead rail system. Th ...

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 ...