Autel MaxiIM KM100 added a spare Autel universal smart key to the Mazda CX-5 keyless system.
First generate autel remote by km100.
Do a immo status scan
Select Add key (Guided)
Add key successfully.
When start car with Autel smart key the car shows red key icon and error keyless system malfunction after add key successfully because it is an aftermarket key.
You can erase all the key from the system and reprogram all the keys again into the system. Then Autel smart key will work fine.