Can OnStar Start My Car If I Lose My Keys? Limits
Yes, OnStar can remotely unlock and start an eligible Chevrolet, GMC, Buick, or Cadillac vehicle if the vehicle has the required hardware, an active remote-access service, cellular connectivity, and a verified account. OnStar cannot replace the physical key or key fob: the vehicle generally will not allow normal driving until it detects the authorized key. […]