3+1Buttons HYQ1AA Smart Remote Key Fob for 2018-2020 GMC Terrain

Tips

The description of each process of DK system architecture is as follows:

1. Vehicles connect to the vehicle cloud remotely through route 1. This link provides a secure communication channel and is controlled by the vehicle cloud security;

2. The vehicle is equipped with NFC (line 3/4), BLE (line 11), UWB (line 12) module, which can be paired with device communication;

3. All qualified devices have a certified SE and NFC function, enabling the device to communicate with the vehicle. The NFC function is necessary to ensure that the mobile phone can still rely on the operation of the vehicle by NFC without power;

4. Car owner equipment through route 2. Line 6, line 8, line 7 and car owner equipment cloud, friend equipment cloud, friend equipment to communicate the key for friends, to make access configuration files that the owner can set up by the car owner, terminate sharing sharing DK; Friends equipment can use DK shared by the owner, but cannot share the key of the owner from other equipment;