Keyless Entry Transmitter Slots
WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Each keyless entry transmitter is programmed into one of eight available slots. Slots are the memory location where each transmitter's data is stored. The keyless entry transmitters programmed into slots three through eight are only able to lock and unlock all doors. They are not able to perform personalization functions such as memory seat settings.