The car shell of HBX 3100A RC car can be asked the seller to ask if it can be customized color or the player can customize it by himself.

Shock absorber rattling may be the internal parts are damaged or loose, need to disassemble and inspect and replace the damaged parts.

When installing the car shell, you need to make sure that it is firmly connected to the vehicle to avoid loosening and causing unstable driving. At the same time, pay attention to the installation position and angle of the shell to ensure that the vehicle appearance is beautiful and meets the safety requirements.

Wheel rattling may be caused by damaged bearings or foreign objects in the tires. You need to check the bearings and clean the foreign objects in the tires to make sure the wheels are functioning properly.

For ESC maintenance, you need to check the connecting wires, heat sinks and capacitors regularly for damage or aging. Also, keep the ESC clean to avoid dust and debris affecting its performance.