2012 GMC Acadia Owner's Manual - Page 79

Seats and Restraints 3-25 Where Are the Airbags? There is an airbag readiness light on the instrument panel cluster, which shows the airbag symbol. The system checks the airbag electrical system for malfunctions. The light tells you if there is an electrical problem. See Airbag Readiness Light on page 5‑15 for more information. The driver frontal airbag is in the center of the steering wheel. The front outboard passenger frontal airbag is in the passenger side instrument panel.