Little-known car button can instantly slash fuel consumption by 12 percent. Jan 30, 2023 Motorists are being advised to make use of a common button in the vehicles which could massively increase their fuel economy. Subscribe to our newsletter Get the latest posts delivered right to your inbox. Your email address Subscribe Now check your inbox and click the link to confirm your subscription. Please enter a valid email address Oops! There was an error sending the email, please try later. Nikesh Nikil