1. Safety Information
Please read and understand all safety precautions before operating the ACAMMZAR 1:16 RC Drift Car. Failure to do so may result in injury or damage to the product.
- Age Recommendation: This product is suitable for users aged 8 years and older.
- Battery Safety:
- Use only the provided charging cable and batteries.
- Do not overcharge or short-circuit batteries.
- Do not expose batteries to extreme temperatures or fire.
- Always supervise charging.
- Remove batteries from the car and remote control when not in use for extended periods.
- Operating Environment:
- Operate the RC car in open areas, away from people, pets, and obstacles.
- Avoid operating near water, electrical wires, or busy roads.
- Do not operate in wet conditions.
- General Precautions:
- Keep hands, hair, and loose clothing away from moving parts.
- Do not modify the product.
- Store the product in a cool, dry place.
2. Package Contents
Verify that all items listed below are included in your package:
- 1 x ACAMMZAR 1:16 RC Drift Car
- 2 x 7.4V 500mAh Li-ion Batteries (one pre-installed in the car, one in the package)
- 1 x Remote Control (requires 2 AA batteries, not included)
- 1 x USB Charging Cable
- 4 x Extra Tires (drift wheels)
- 1 x Screwdriver
- 1 x Instruction Manual

Image: The ACAMMZAR 1:16 RC Drift Car and its complete set of accessories, including the remote control, two batteries, a USB charging cable, four extra drift tires, and a screwdriver.
3. Setup Guide
3.1. Charging the Car Battery
- Connect the 7.4V Li-ion battery to the USB charging cable.
- Plug the USB charging cable into a standard USB power adapter (e.g., phone charger, computer USB port).
- The indicator light on the USB cable will show charging status (typically red for charging, off or green for fully charged).
- Charging usually takes approximately 60-90 minutes. Do not overcharge.
3.2. Installing Car Battery
- Ensure the car's power switch is in the "OFF" position.
- Locate the battery compartment on the underside of the car.
- Open the battery compartment cover.
- Insert the charged 7.4V Li-ion battery into the compartment, ensuring correct polarity.
- Close the battery compartment cover securely.

Image: A hand inserting the 7.4V modular battery into the designated compartment on the underside of the RC car, highlighting the easy installation process.
3.3. Installing Remote Control Batteries
- Locate the battery compartment on the back of the remote control.
- Open the battery cover.
- Insert 2 AA batteries (not included), observing the correct polarity (+/-).
- Close the battery cover.
3.4. Pairing the Remote Control
- Turn on the RC car using the ON/OFF switch on its underside.
- Turn on the remote control using its power button.
- The indicator light on the remote control will flash and then become solid, indicating successful pairing.
- If pairing fails, turn off both devices and repeat the steps.
3.5. Changing Tires
The car comes with two types of tires: drift tires (pre-installed for easy drifting) and rubber racing tires (for better grip). You can easily swap them using the included screwdriver.
- Use the screwdriver to remove the small screws holding the wheels in place.
- Carefully remove the current tires.
- Install the desired set of tires (drift or racing) and secure them with the screws.

Image: The ACAMMZAR RC Drift Car is displayed with both sets of tires (drift and racing) and the remote control, illustrating the interchangeable tire feature.
4. Operating Instructions
4.1. Remote Control Functions

Image: A detailed view of the remote control for the ACAMMZAR RC Drift Car, showing the labeled buttons and controls for power, speed, lights, steering, and throttle.
- Steering Wheel: Turn left or right to control the car's direction.
- Throttle Trigger: Pull to move forward, push to brake/reverse. This is a full-proportional throttle for precise control.
- Power Switch: Turns the remote control ON/OFF.
- Low/High Speed Button: Toggles between low and high-speed modes.
- Light Button: Turns the car's LED lights ON/OFF.
- Steering Trim Dial: Located on the underside of the car, this dial adjusts the steering to ensure the car drives straight when the steering wheel is centered.
4.2. Driving and Drifting
The ACAMMZAR RC Drift Car features 4WD and a full-scale throttle for smooth drifting and responsive control.
Video: An official ACAMMZAR video demonstrating the 1:16 RC Drift Car in action, showcasing its drifting capabilities, responsive controls, and interchangeable tires. The video highlights the car's full-time four-wheel drive system and the ease of switching between drift and racing tires.
- Basic Driving: Use the throttle for acceleration and braking, and the steering wheel for direction.
- Drifting: With drift tires installed, apply throttle and turn the steering wheel sharply to initiate a drift. Practice to master control.
- Speed Modes: Use the low-speed mode for beginners or indoor use, and high-speed mode for outdoor or advanced driving.
- LED Lights: Activate the LED lights for enhanced visibility and aesthetic appeal, especially in low-light conditions.

Image: The ACAMMZAR RC Drift Car illuminated with its headlights, taillights, and underbody lights, demonstrating its visibility features for night play.
5. Maintenance
- Cleaning: After each use, gently wipe the car body with a soft, dry cloth to remove dust and debris. Avoid using water or chemical cleaners directly on electronic components.
- Battery Storage: Store batteries in a cool, dry place when not in use. For long-term storage, charge batteries to approximately 50% capacity.
- Tire Inspection: Regularly check tires for wear and tear. Replace worn tires to maintain optimal performance.
- General Inspection: Periodically check all screws and connections to ensure they are secure.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to remote control. |
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| Short operating time. |
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| Car pulls to one side. |
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7. Specifications
| Feature | Detail |
|---|---|
| Brand | ACAMMZAR |
| Model Number | S921 |
| Scale | 1:16 |
| Maximum Speed | 25 KM/H |
| Drive System | 4WD (Four-Wheel Drive) |
| Motor | 280 Carbon Brush Motor (High Torque, High Power) |
| Battery (Car) | 7.4V 500mAh Li-ion (x2 included) |
| Battery (Remote) | 2 AA batteries (not included) |
| Approximate Run Time | Up to 40 minutes (with two batteries) |
| Charging Time | 60-90 minutes |
| Control Frequency | 2.4Ghz |
| Special Features | LED Headlights, Taillights, Underbody Lights; Two Speed Adjustments; Interchangeable Drift/Racing Tires; Full Proportional Throttle |
| Material | Plastic |
| Item Dimensions | 11.42 x 5.12 x 4.72 inches |
| Item Weight | 800 Grams |
| Recommended Age | 8 years and older |
8. Warranty and Support
ACAMMZAR is committed to providing reliable products. If you encounter any questions or issues during the use of your RC Drift Car, please do not hesitate to contact us. We will provide a satisfactory solution within 24 hours.
For support, please refer to the contact information provided at the point of purchase or visit the official ACAMMZAR store page.
