When starting the engine, the malfunction indicator light flashes briefly and then goes off after starting. What could be the issue?

When I start my car, the seatbelt indicator light flashes for a few seconds and then turns off automatically, even though I haven't fastened my seatbelt yet.

The check engine light on my Nissan Sunny came on, showing fault code P0705-00, which indicates an issue with the transmission range sensor A. The car suddenly jerked, and then the gear indicator on the dashboard disappeared. After turning off the engine and restarting, the gear indicator reappeared, but after a while, the check engine light came on again. I went to a repair shop to clear the fault code, and it seemed fine while driving, but the issue occurred again after some time. This has happened several times. Could it be a problem with the right tail light base?

While driving normally and making a U-turn, the gears suddenly started jumping. The engine didn't stall, but there was no power. The engine malfunction light came on, and the ECO indicator disappeared. After restarting, the car drove normally again, but the malfunction light remained on.

How did you deal with the issue of the water temperature sensor malfunctioning and the temperature light constantly flashing? I replaced the temperature sensor, but it started flashing again after two months. Did you replace the thermostat assembly? 2017 model.

When the car is not started, the brake works, but after starting, the brake pedal goes straight to the floor. What could be the issue?

The engine malfunction light on my 2010 City recently started flashing. Diagnostic code 14 indicates irregular misfires. I've replaced the spark plugs, ignition coils, and cleaned the fuel injectors, but the issue still occurs intermittently. Every time the light flashes, I restart the engine and the issue disappears for a while before reappearing. Any knowledgeable experts or fellow car enthusiasts have any advice on how to handle this issue?

Can someone please teach me how to disable the sound that occurs once after locking the car, and how to turn off the hazard lights that flash for a period after turning off the engine?

My 2019 MG ZS 1.5L automatic jerks when accelerating, and sometimes the check engine light comes on. After stopping for a while, the light goes off. It starts happening once the speed hits 40 km/h. What could be the issue?

When starting the engine, the malfunction indicator light flashes briefly and then goes off after starting. What could be the issue?

The car won't start, and the EPC, battery, engine, and malfunction indicator lights are all on. What could be the reason?