Introducció
This manual provides essential information for the safe operation, setup, maintenance, and troubleshooting of your MJX 14303 1/14 Citroen C3 Fast RC Car. Please read this manual thoroughly before operating the vehicle to ensure optimal performance and longevity.
Informació de seguretat
For your safety and to prevent damage to the product, observe the following precautions:
- Always remove the battery from the car when not in use. Do not leave the battery installed in the vehicle during storage.
- Aquest producte està recomanat per a usuaris de 14 anys o més.
- Operate the RC car in open areas, away from people, pets, and obstacles.
- Avoid operating in wet conditions as the product is only splash-proof, not waterproof.
- Ensure proper ventilation during battery charging.
Què hi ha a la caixa
Verifiqueu que tots els components siguin presents en desembalar:
- 1 X Truck (MJX 14303 RC Car)
- 1 X T3C 2.4GHz 3-Channel Transmitter
- 2 X 2S 2000 mAh Rechargeable Battery
- 4 X Extra High Rebound Shock Spring
- 8 X Extra Clips
- 8 X Extra Tires (including drift and rally tires)
- 1 X Protective Shell
- 1 X 2S USB Cable (Charging Cable)
- 1 X Cross Wrench
- Tornavís 1 X
- 1 X Product Manual (this document)

Figure 1: Contents included in the MJX 14303 package.
Configuració
1. Càrrega i instal·lació de la bateria
- Connect the provided 2S 2000 mAh LiPo battery to the USB charging cable.
- Plug the USB charging cable into a compatible USB power source (e.g., computer USB port, USB wall adapter).
- Allow the battery to fully charge. Charging typically takes 4 to 5 hours.
- Once charged, carefully install the battery into the battery compartment of the RC car. Ensure the battery is secured with the strap fixing mechanism.
- Ensure the battery is properly connected to the Electronic Speed Controller (ESC).
2. Configuració del transmissor
- Install the required batteries (not specified in product data, assume standard AA/AAA) into the T3C 2.4GHz 3-Channel Transmitter.
- Familiarize yourself with the transmitter controls, including the steering wheel, throttle trigger, and light control buttons.

Figure 2: RC Car, Transmitter, and Batteries.
Instruccions de funcionament
1. Encès
- Turn on the RC car first, then the transmitter.
- Wait for the car and transmitter to establish a connection.
2. Controls de conducció
- Use the steering wheel on the transmitter to control the direction (left/right).
- Use the throttle trigger to control forward and reverse movement. Pull the trigger for forward, push for reverse. Note: Reverse functionality may sometimes be inconsistent.
3. Gyro Adjustment
The independent GYRO system assists with straight-line stability and drifting. It is recommended to adjust the gyro to 75% for optimal performance, especially when drifting.

Figure 3: Independent Gyro and Adjustable Oil-Filled Shocks.
4. Control de la llum
The vehicle features interactive lights, including simulated brake lights and turn signals. The entire vehicle's lighting can be controlled via the transmitter. Available modes include flash mode, continuous light mode, and OFF.

Figure 4: Interactive Lights (Front and Rear).
5. Configuració de velocitat
The transmitter allows for speed adjustment. New users are advised to start with the 70% speed limit until fully comfortable with the car's handling. The car can reach 26+ mph (42 kph) with the included 2S battery and up to 38+ mph (62 kph) with an optional 3S 11.1V LiPo battery (not included).

Figure 5: 70% vs 100% Throttle Comparison.
6. Tire Selection
The car comes with three sets of tires for different road surfaces: drift tires, rubber tires (pre-installed), and rally tires. Choose the appropriate tires for your driving environment.

Figure 6: Multiple Tire Sets for Versatile Driving.
Manteniment
1. Atenció general
- After each use, clean the car to remove dirt, dust, and debris.
- Always remove the battery from the car when not in use to prevent discharge and potential damage.
- Guardeu el cotxe RC en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
2. Tire and Shock Absorber Care
- Inspect tires for wear and tear. Replace worn tires as needed. Avoid using off-road tires on hard surfaces as they wear out quickly.
- The car features oil-filled shock absorbers. Periodically check for leaks and ensure smooth operation.
3. Chassis and Drivetrain
- The 6061 aluminum alloy chassis and powder-metallurgy transmission gears are designed for durability. However, regular inspection for loose screws or damaged parts is recommended.
- The large front foam bumper provides maximum protection. Inspect it for damage after impacts.

Figure 7: Chassis and Front Bumper for Protection.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El cotxe no respon a l'emissor. | Low battery in car or transmitter; car/transmitter not paired. | Charge car battery, replace transmitter batteries, re-pair car and transmitter. |
| El cotxe tira cap a un costat. | Steering trim not adjusted. | Adjust the steering trim dial on the transmitter until the car drives straight. |
| Reverse function is inconsistent. | Known characteristic of the model; potential signal interference. | Ensure clear line of sight between transmitter and car. This is a common observation for this model. |
| Car gets stuck on off-road surfaces. | Soft terrain; incorrect tire type. | Use rally tires for off-road. Harder dirt tracks are more suitable than very soft terrain. |
Especificacions
- Dimensions del producte: 12.6 x 6 x 4.4 polzades
- Pes de l'article: 4.8 lliures
- Número de model: 14303
- Edat recomanada pel fabricant: 14 anys i més
- Bateries: 1 Lithium Ion battery required (included, 2S 2000 mAh)
- Motor: Hobby 2845 3900KV Brushless with metal heatsink and dual cooling fans
- ESC: Independent 45A ESC
- Top Speed (2S Battery): 26+ mph (42 kph)
- Top Speed (3S Battery, optional): 38+ mph (62 kph)
- Xassís: Aliatge d'alumini 6061
- Transmissió: Powder-metallurgy gears and differentials
- Sistema de ràdio: 2.4GHz 3-Channel with light control

Figure 8: Internal Components and Chassis.
Garantia i Suport
For warranty information and customer support, please refer to the product packaging or visit the official MJX weblloc web. Conserveu el rebut de compra com a comprovant de compra per a qualsevol reclamació de garantia.
També podeu visitar el MJX Store on Amazon for additional information and accessories.





