To use the service, customers must have a "compatible 2015 or newer Chevrolet, Buick, GMC or Cadillac vehicle with an active OnStar account" or "a 2015 or newer Volvo vehicle with an active Volvo On Call account," the company said. Users also must download the Amazon Key app and link their Amazon account with their car service.
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"Amazon uses multiple layers of verification to ensure the security of in-car deliveries," the company said. "Each time a delivery driver requests access to a customer's vehicle, Amazon verifies that an authorized driver is at the right location with the right package, through an encrypted authentication process. Once this process is successfully completed, the car is then unlocked. Customers receive a notification via the Amazon Key App after the delivery is completed and the vehicle is relocked. No special codes or keys are ever provided to delivery drivers."
Some Twitter users were less than thrilled with the idea.