What should I do if the drain holes on the doors of the 2022 GS4 are rusted?

The spare tire compartment always has water in it, what should I do? Is it because the drainage hole is blocked or is it an issue with the wiring of the installed reverse camera?

No money to buy, what should I do?

What should I do if there's rust inside the wheel?

What should I do if there's carbon buildup?

What should I do if the sunroof of my 2011 Nissan Sunny is rusted? I bought a second-hand car. Does it need repair?

What should I do if there's a sudden power outage?

What should I do if the key of the 2022 HS7 can't open the tailgate, and the sensor can't lock the car doors? Thanks.

Hey guys, how do you avoid the small battery draining and getting error codes when tinting? Should I keep the car running or turned off? I noticed that the car doors are open during the tinting process.

Is the chassis of this car seriously rusted? Should I consider getting an undercarriage paint job?

Does the Nissan X-Trail Classic have a leakage issue? Should I cut off the sunroof drain hole insect screen in advance? Should I use underbody armor spray?