Cartrack services

I have experince today 17 September 2022 that on my brother's vehicle was a alert on the battery and Cartrack controlroom phoned me , but i have ask several time that on the system to add first contacts on all 3 vehicles. The first call (11:24) i ask to phone my brother im not with him and not sure what is going on and the controlroom lady said i must phone my brother and then phone them back of there is any problems (rude). The second call(16:40) was from another lady in the controlroom and i also ask her to phone my brother i am not with him and he is the first contact on his Renault she said she is not able to contact him as he is not the account holder , but then i tried to explain to her thay when there is a alert on my dad's vehicle (Kia Picanto 2017) they always phone him first, she just said that she is still not able to contact my brother so i must give the call to say everything is fine, after a "fight" she was rude but she said that she can not explain why they can call my dad first on his vehicle but not my brother, she will said on the alert that i dont want to repond on the call , and i told her that if my brother's car is been ****** it will be on them. She was so rude and didnt want to listen when im trying to explain that i dont know anything about my brother's vehicle.