1. Introduction
Thank you for purchasing the Maisto M81340 Rock Crawler ROCKZILLA 2 RC. This remote-controlled vehicle is designed for off-road adventures, offering robust performance and exciting play. Please read this manual thoroughly before operating the vehicle to ensure safe and optimal performance.

Image 1.1: The Maisto Rock Crawler ROCKZILLA 2 RC vehicle, showcasing its rugged design and large tires.
2. Safety Information
WARNING: Small parts, choking hazard. Not suitable for children under 3 years. Adult supervision is recommended during operation.
- Do not operate the vehicle near people, pets, or obstacles.
- Avoid operating in wet conditions or near water to prevent damage to electronic components.
- Do not touch moving parts during operation.
- Always turn off the vehicle and remote control when not in use.
- Dispose of batteries responsibly according to local regulations.
3. Package Contents
Please ensure all items are present in the package:
- Maisto Rock Crawler ROCKZILLA 2 RC Vehicle
- 2.4 GHz Remote Control
- Rechargeable Lithium-Ion Battery (for vehicle)
- USB Charging Cable
- 2 AAA Batteries (for remote control)
- Instruction Manual (this document)

Image 3.1: The Maisto Rock Crawler ROCKZILLA 2 RC packaging, showing the vehicle and remote control.
4. Setup
4.1. Remote Control Battery Installation
- Locate the battery compartment on the back of the remote control.
- Open the battery cover.
- Insert 2 AAA batteries, ensuring correct polarity (+/-).
- Close the battery cover securely.

Image 4.1: The 2.4 GHz remote control for the Maisto Rock Crawler, showing its ergonomic design.
4.2. Vehicle Battery Charging
- Locate the rechargeable Lithium-Ion battery compartment on the vehicle.
- Connect the vehicle's battery to the provided USB charging cable.
- Plug the USB charging cable into any standard USB power source (e.g., computer, USB wall adapter).
- Allow the battery to charge fully. Refer to the charging indicator on the cable or battery for status.
- Once charged, disconnect the cable and securely install the battery into the vehicle.
4.3. Pairing the Remote Control and Vehicle
- Ensure both the vehicle and remote control have fresh or fully charged batteries.
- Turn on the vehicle using its power switch.
- Turn on the remote control using its power switch.
- The remote control and vehicle should automatically pair. An indicator light on both devices will confirm a successful connection.
- If pairing fails, turn both devices off and repeat the steps.
5. Operating
5.1. Basic Controls
- Steering Wheel: Turn left or right to control the vehicle's direction.
- Trigger: Pull the trigger to move forward, push it to reverse or brake.
5.2. Driving Tips
- Start slowly to get a feel for the controls.
- The Rock Crawler is designed for off-road terrain. Experiment with different surfaces like dirt, grass, and small rocks.
- Avoid extreme drops or impacts that could damage the vehicle.
- Maintain a clear line of sight between the remote control and the vehicle for optimal signal.

Image 5.1: The Maisto Rock Crawler ROCKZILLA 2 RC demonstrating its ability to climb over rocky terrain.
6. Maintenance
6.1. Cleaning
- Turn off the vehicle and remote control before cleaning.
- Use a soft, dry cloth to wipe down the vehicle.
- For stubborn dirt, a slightly damp cloth can be used, but ensure no water enters electronic components.
- Do not use chemical cleaners or solvents.
6.2. Storage
- Store the vehicle and remote control in a cool, dry place away from direct sunlight.
- Remove batteries from both the vehicle and remote control if storing for extended periods to prevent leakage.
6.3. Battery Care
- Do not overcharge the Lithium-Ion battery.
- Do not expose batteries to extreme temperatures.
- If the battery appears damaged or swollen, discontinue use immediately and dispose of it properly.
7. Troubleshooting
- Vehicle not responding:
- Ensure both vehicle and remote control are turned on.
- Check if batteries are correctly installed and fully charged in both devices.
- Re-pair the remote control and vehicle (refer to Section 4.3).
- Poor range or intermittent control:
- Ensure batteries are fully charged.
- Avoid operating near other radio-controlled devices or strong electromagnetic interference.
- Ensure no physical obstructions are blocking the signal between the remote and vehicle.
- Vehicle moves slowly or lacks power:
- The vehicle battery may be low. Recharge it fully.
- Check for debris or obstructions in the wheels or drivetrain.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | M81340 |
| Scale | 1:16 Scale |
| Product Dimensions | 31.1 x 55.2 x 33 cm |
| Weight | 3.88 kg |
| Material | Metal, Plastic |
| Vehicle Power Source | Lithium-Ion Battery (rechargeable) |
| Remote Control Power Source | 2 AAA Batteries (included) |
| Recommended Age | 5 years and up |
| Special Features | Remote Control, Off-Road Suspension |
9. Warranty and Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official Maisto website. Keep your purchase receipt as proof of purchase.