1. Product Overview
The ACAMMZAR Model S817 is a 1:24 scale 4WD remote control drift car designed for both beginners and enthusiasts. It features a high-speed motor, LED lights, and interchangeable tires for various driving experiences.

Figure 1: ACAMMZAR RC Drift Car Model S817
2. Package Contents
Verify that all items are present in the package:
- 1 x Remote Control Car
- 1 x Remote Control (requires 2 AA batteries, not included)
- 2 x 3.7V 500mAh Lithium-Ion Batteries (one pre-installed in car, one spare)
- 1 x USB Charging Cable
- 4 x Extra Racing Tires
- 1 x Screwdriver
- 1 x Instruction Manual
- Barricade Accessories (cones and barrels)

Figure 2: All included components and accessories.
3. Setup Guide
3.1 Battery Installation
Car Battery:
- Locate the battery compartment on the underside of the car.
- Use the provided screwdriver to open the battery compartment cover.
- Connect the 3.7V 500mAh Lithium-Ion battery to the car's power connector.
- Place the battery inside the compartment and close the cover securely.
Remote Control Batteries:
- Open the battery compartment on the back of the remote control.
- Insert 2 AA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover.
3.2 Charging the Car Battery
- Connect the USB charging cable to the car battery.
- Plug the USB end of the cable into a standard USB power adapter (5V/1A recommended) or a computer USB port.
- The indicator light on the USB cable will illuminate during charging and turn off when charging is complete.
- Charging typically takes approximately 60-90 minutes. Do not overcharge.
3.3 Pairing the Remote Control
- Ensure the car battery is fully charged and installed.
- Turn on the car's power switch. The car's lights may flash.
- Turn on the remote control's power switch.
- The remote control and car will automatically pair. Once paired, the car's lights will stop flashing and remain steady.

Figure 3: Remote control layout with power indicator and switches.
4. Operating Instructions
4.1 Basic Controls
- Throttle Trigger: Pull the trigger to move forward, push to brake/reverse. The car features full proportional throttle for precise speed control.
- Steering Wheel: Turn the wheel left or right to steer the car.
4.2 Speed Adjustment
The remote control allows you to switch between two speed modes (high and low). This is suitable for beginners to learn control before attempting higher speeds.
- Locate the speed switching button on the remote control (refer to Figure 3).
- Press the button to toggle between low and high-speed modes.
4.3 Tire Swapping for Different Terrains
The car comes with two types of tires: drift tires and racing tires. Use the provided screwdriver to change them.
- Drift Tires: These are hard plastic tires designed for smooth, low-friction surfaces to facilitate drifting.
- Racing Tires: These are softer rubber tires with tread, providing better grip for higher speed and traction on various surfaces.

Figure 4: Car shown with both drift and racing tires.
4.4 Headlights and Taillights
The car is equipped with functional headlights and taillights for enhanced realism and visibility during operation, especially in low-light conditions.
- The lights activate automatically when the car is powered on.
- A light switch button may be present on the remote control for manual control (refer to Figure 3).

Figure 5: Car demonstrating active headlights and taillights.
4.5 Drifting and Stunts
The 4WD system and full proportional throttle allow for various drifting stunts, such as tail flipping and spinning. Practice with the included barricade accessories to improve your skills.
Video 1: Demonstration of the ACAMMZAR RC Drift Car's capabilities.
5. Maintenance
5.1 Cleaning
- After each use, especially outdoors, gently wipe the car body with a soft, dry cloth to remove dust and debris.
- Avoid using water or chemical cleaners, as they may damage electronic components.
- Clean the wheels and axles to ensure smooth operation.
5.2 Battery Care and Storage
- Always disconnect the battery from the car when not in use.
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for extended periods, charge the batteries to approximately 50% capacity.
- Do not dispose of batteries in household waste. Follow local regulations for battery recycling.
6. Troubleshooting
If you encounter issues with your ACAMMZAR RC Drift Car, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to remote. | Low battery in car or remote; not paired. | Charge car battery, replace remote batteries, re-pair car and remote. |
| Short operating time. | Battery not fully charged; old battery. | Ensure full charge; consider replacing battery if performance degrades significantly. |
| Car drives slowly or inconsistently. | Low battery; debris in wheels/axles. | Charge battery; clean wheels and axles. |
| Loss of control or erratic movement. | Interference; out of range. | Move to an area with less interference; ensure car is within 50m range. |
7. Specifications
- Brand: ACAMMZAR
- Model Name: S817
- Scale: 1:24
- Drive System: 4WD
- Max Speed: 20 KM/H
- Remote Control Distance: Up to 50m
- Car Battery: 3.7V 500mAh Lithium-Ion (x2 included)
- Remote Control Battery: AA batteries (x2, not included)
- Approximate Run Time: Up to 50 minutes (with two batteries)
- Lights: Headlights and Taillights
- Tire Types: Drift and Racing (interchangeable)
- Material: Plastic
- Recommended Age: 8 years and up
8. Support
For any problems encountered during the use of your ACAMMZAR RC Drift Car, please contact ACAMMZAR customer support. We are committed to assisting you with any issues.
Contact information can typically be found on the product packaging or the official ACAMMZAR website.