Last updated: September 29, 2026
By accessing and using the Jolly-hawk website at jolly-hawk.com and engaging our services, you agree to be bound by these Terms of Use. If you disagree with any part of these terms, you may not access our website or use our services.
Jolly-hawk provides fuel economy optimization services including vehicle diagnostics, engine control unit optimization, fuel system cleaning, aerodynamic assessment, and driver behavior analysis.
All service descriptions on this website are provided for informational purposes. Specific service details may vary based on vehicle type, condition, and individual circumstances.
When you book a service through our website, you enter into an agreement with Jolly-hawk to provide the selected service at the agreed price.
All bookings are subject to availability and confirmation. We will contact you within one business day to confirm your appointment details.
If you need to cancel or reschedule an appointment, please provide at least 48 hours notice. Cancellations with less notice may be subject to a cancellation fee.
All prices displayed on our website are in British Pounds Sterling (GBP) and include VAT where applicable.
Prices are subject to change without notice, though any price changes will not affect bookings already confirmed.
Payment is due upon completion of services unless alternative arrangements have been made in advance.
We accept payment via bank transfer, debit card, and credit card. Payment details will be provided when you book your appointment.
While we strive to achieve optimal fuel economy improvements for all clients, individual results may vary based on factors including:
We make no guarantees regarding specific percentage improvements in fuel economy or monetary savings. Projected savings estimates are based on typical results and should not be considered guaranteed outcomes.
Our services are designed to optimize fuel efficiency in properly functioning vehicles. We are not a replacement for regular vehicle maintenance or repair services.
If we identify safety issues or mechanical problems during our assessment, we will notify you and recommend consulting a qualified mechanic before proceeding with optimization services.
You are responsible for ensuring your vehicle is roadworthy and in compliance with all applicable safety and emissions regulations.
To the fullest extent permitted by law, Jolly-hawk shall not be liable for:
Our total liability for any claim arising from our services shall not exceed the amount you paid for the specific service in question.
All content on this website, including text, graphics, logos, and software, is the property of Jolly-hawk or its content suppliers and is protected by United Kingdom and international copyright laws.
You may not reproduce, distribute, modify, or create derivative works from any content on this website without our express written permission.
You agree not to:
Our website contains links to external websites including scientific research publications. We are not responsible for the content, accuracy, or practices of these third-party websites.
Links to third-party sites do not constitute endorsement of their content or services.
Information provided on this website is for educational purposes and should not be considered professional automotive advice applicable to all situations.
We recommend consulting with qualified mechanics or automotive professionals before making significant modifications to your vehicle.
Your use of our website and services is also governed by our Privacy Policy. Please review our Privacy Policy to understand how we collect, use, and protect your personal information.
We reserve the right to modify these Terms of Use at any time. Changes will be effective immediately upon posting to this website.
Your continued use of the website or services after changes are posted constitutes acceptance of the modified terms.
These Terms of Use are governed by the laws of England and Wales.
Any disputes arising from these terms or your use of our website or services shall be subject to the exclusive jurisdiction of the courts of England and Wales.
If any provision of these Terms of Use is found to be unenforceable or invalid, that provision shall be limited or eliminated to the minimum extent necessary so that the remaining terms remain in full force and effect.
These Terms of Use, together with our Privacy Policy and any service-specific agreements, constitute the entire agreement between you and Jolly-hawk regarding your use of our website and services.
If you have questions about these Terms of Use, contact us at:
Email: [email protected]
Address: 47 Cathedral Road, Cardiff, CF11 9HE, United Kingdom