See also:

Noise, Ride & Handling
Road and wind noise are low, but you'll hear more adjacent traffic than I'd expect in a luxury crossover. The Lincoln MKX and GLK, to name a couple competitors, are superior in this regard. With ...

Verify Minutes and Expiration
Push and say “minutes” then “verify” to check how many minutes remain and their expiration date. ...

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 ...