Remote Tuning Terms, Risk Acknowledgment and Limited Release

Version RT-2026-09-10-01 · Effective September 10, 2026

These terms are between Johnson Tuning, the seller identified on your order ("Johnson Tuning," "we" or "us") and the customer accepting them ("you"). They apply to the remote tuning service identified in your order, including the calibration files, revisions, data-log reviews and related instructions included in that order. They do not change the price or service options shown on your order.

Read this agreement before purchasing. Remote tuning involves a risk of serious mechanical damage, property damage, injury and death. Section 7 includes a limited release of claims caused by Johnson Tuning's own ordinary negligence. Important exceptions follow that release.

1. Your authority and vehicle

You must be at least 18 and legally able to enter this agreement. You confirm that you own the vehicle or have the owner's express authority to order and authorize this work. If you buy for a business, you also confirm that you may bind that business. You may not release another person's independent rights merely by purchasing for them. Contact us before ordering if the vehicle owner is not the person or business accepting these terms.

2. What the service includes

We will provide the remote calibration work described in your selected product and agreed scope. Remote tuning relies on the information and measurements supplied to us; it is not a physical vehicle inspection, mechanical repair, roadworthiness certification or guarantee that every fault will be detected. A review of a data log does not establish that a vehicle is mechanically sound.

Power, torque, fuel economy, drivability, competition results and component life depend on the vehicle, fuel, hardware, environment and use. We do not promise a particular result unless we expressly agree to that specific result in writing. This does not excuse us from supplying the service purchased or complying with applicable law. Work outside the agreed scope requires a separate agreement about scope and price before it is charged.

3. Mechanical condition and accurate information

Before flashing a file or performing a test, you must have the vehicle, installation and supporting systems checked by a qualified person and resolve known faults. This includes the engine, transmission, drivetrain, fuel delivery, cooling, lubrication, electrical supply, sensors, brakes, tires and safety equipment relevant to the work. Tell us about existing or prior damage, fault codes, warning lights, abnormal noises, fluid leaks, repairs and previous calibrations.

Give us complete and accurate information about the exact vehicle and control modules, modifications, hardware part numbers, fuel grade and ethanol content, sensor configuration, tuning device and software. Supply genuine, unaltered data logs from that vehicle. Follow the file-specific instructions and limits we provide. Use a file only on the vehicle and configuration for which it was supplied; do not share it, alter it or install it on another vehicle.

Tell us before changing fuel, hardware, software, sensor settings or another factor that could affect the calibration. Do not assume an earlier file is safe for a changed setup. Stop testing and contact us if a warning, fault, abnormal reading, detonation, overheating, misfire, fuel-pressure problem, unusual noise or unexpected behavior occurs. Do not continue merely to finish a requested log. Follow the tuning-device manufacturer's flashing and battery-support instructions. Maintain available backups and recovery information.

4. Safe testing and legal operation

Arrange any high-load, full-throttle or performance testing on a properly operated chassis or hub dynamometer, or at a lawful closed-course facility with suitable supervision and safety controls. Do not perform performance pulls, racing or high-speed testing on public roads. Never operate a laptop, phone or logging device while driving. Configure passive logging while stationary; use a qualified operator or other safe arrangement appropriate to the test. Never perform a requested test that you cannot conduct safely and lawfully. Contact us for an alternative.

Both parties must comply with applicable emissions, vehicle and safety laws. You must not request or use our service to unlawfully remove, bypass or disable emissions controls, diagnostics, monitors or required protections. We may refuse unlawful work. Calling a vehicle or file "off-road" or "race use only" does not by itself create an exemption from emissions law. This agreement does not transfer our legal obligations to you or authorize conduct prohibited by law.

5. Risks you acknowledge

Changing engine or transmission calibration can increase thermal, mechanical and electrical loads and expose existing weaknesses, even when precautions are taken. Risks include engine, turbocharger, transmission, clutch, differential, fuel-system, sensor or control-module failure; loss of data or immobilization during programming; fire; loss of traction or vehicle control; collision; damage to the vehicle or other property; serious injury; and death. Towing, diagnosis, repair, replacement, loss of use and other losses may result. Modifications may also affect a manufacturer's warranty or insurance coverage; check the applicable terms. This statement does not say that every modification automatically voids every warranty.

You understand these risks, may ask questions before accepting, and voluntarily choose to proceed. You accept the inherent risks of the agreed work and testing, subject to the limits and exceptions in Section 7. You remain responsible for how you and your operators maintain, install, operate and test the vehicle.

6. Pauses, changes and cancellation

We may pause work when information is missing, the vehicle appears unsafe, the requested work would be unlawful, or further diagnosis or repairs are needed. We will explain what is needed to continue. A pause is not permission to drive or test an unsafe vehicle. Any additional paid work must be agreed before it begins.

The cancellation and refund policy clearly disclosed to you before purchase applies, subject to applicable law. Manufacturer licenses or tuning credits that have already been assigned to your vehicle, activated or consumed generally cannot be returned or reused. This does not remove any right to a refund or other remedy required by law, including for an incorrect charge, a failure to supply the purchased service, or a problem for which we are legally responsible. No fee, forfeiture or refund restriction that was not disclosed before purchase is created by this agreement.

7. Limited release of ordinary-negligence claims

TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, YOU RELEASE JOHNSON TUNING AND ITS OWNERS, OFFICERS, EMPLOYEES AND CONTRACTORS ACTING WITHIN THE SCOPE OF THE ORDERED SERVICE FROM YOUR CLAIMS FOR VEHICLE OR OTHER PROPERTY DAMAGE, LOSS OF USE, BODILY INJURY OR DEATH ARISING FROM THAT REMOTE TUNING SERVICE, ITS CALIBRATION FILES OR RELATED TESTING INSTRUCTIONS, TO THE EXTENT CAUSED BY THEIR OWN ORDINARY NEGLIGENCE. Ordinary negligence means a failure to use reasonable care. This includes ordinary negligence in preparing or revising a calibration, reviewing information or logs, or providing tuning or testing instructions. The release is intended to apply even when that ordinary negligence contributes to the loss along with another cause.

This release does not apply to gross negligence; reckless, willful or wanton misconduct; intentional wrongdoing; fraud; or any liability, claim, right or remedy that applicable law does not permit to be waived. It does not excuse unlawful emissions tampering, remove nonwaivable consumer or warranty protections, excuse failure to provide the purchased service, or bar a remedy required by law. It does not release the independent rights of a person who is not validly bound by this agreement.

No other section expands this release beyond those limits. Where applicable law does not permit a particular release, you retain that claim. Nothing in these terms prevents you from reporting a concern to a regulator, obtaining legal advice, leaving an honest review, or exercising a protected payment-dispute right.

8. Electronic acceptance and records

Before placing the order, review these terms and save or print a copy. You agree to enter this agreement electronically. By checking the required acceptance boxes and typing your full legal name as your electronic signature, you intend to accept this version of the agreement for the identified order. You may contact corbin@johnsontuning.com before purchasing if you cannot access or retain the terms or want to discuss another way to sign.

The version accepted for your order governs that order; a later website revision does not retroactively change it. The terms, your submitted acknowledgments and the order record should be kept together. If a provision is unenforceable, it will be omitted only to the extent necessary, and the remaining provisions will continue to apply where lawful. This does not authorize rewriting an unlawful release to remove a protected right.

Questions before acceptance: corbin@johnsontuning.com.