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

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?

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

Do I need to replace both small batteries if one of them is dead? Please help, everyone.

Guys, need some help. My Hongqi EHS9 460 Flag Enjoy suddenly has a dead battery today, but it was running fine yesterday. Jump-started it and went to the dealership for a full day check, but they couldn't find the problem. Has anyone experienced something similar? Any advice?

The car battery is dead, how to lock the car doors? Currently, the mechanical key can only lock the driver's door.

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?

Looking to buy an affordable and practical external power source for jump-starting a battery. Any recommendations, guys? [pleading face]

Is anyone experiencing issues with starting their 2017 Jeep Compass automatic Home Edition in the morning? It feels like the battery is dead and requires multiple attempts to start. How do you solve this problem?

Is it a problem with the ignition switch if the Volvo S40 key is turned to the second position, but there's no power and it reports an engine anti-theft system fault? I changed the ignition switch, and now it's sometimes good and sometimes bad. Sometimes the dashboard lights up, sometimes it doesn't, and sometimes it even starts automatically.