Does this car have a mobile anti-theft alarm system?

Does our car's infotainment system use its own data or does it need a mobile hotspot? I see there's an online upgrade option for navigation. Can the system connect to the internet by itself?

Does the Navara have an anti-theft filter in the fuel tank?

Is the socket for removing the anti-theft wheel bolts of the 2018 Sharan number 533?

Why is the car lock anti-theft light on the Mazda 5 flashing continuously?

Has anyone experienced a dead battery causing the anti-theft system to lock, and jump-starting didn't help?

If both the person and the key are inside the car, does the electronic anti-theft indicator on the dashboard still flash normally?

Does this car have a mobile anti-theft alarm system?

Does this car have remote start via mobile phone?

Has anyone replaced the key battery before? After I replaced the car key battery myself, I can remotely lock and unlock the doors without any issues, but the car won't start when I insert the key. The anti-theft system isn't connecting. Does anyone know how to solve this?

Dear esteemed car owners, does anyone have a recommendation for a mobile phone holder?