The phrase "chassis tune" means adjusting or optimizing the performance of the framework or body of a vehicle, such as its suspension, brakes, and other components, to improve its handling and overall capabilities while driving. Full definition
That rear - wheel steering function opens up a whole world of chassis tuning possibilities. (evo.co.uk)
Company officials don't claim any major differentiation in chassis tuning between the new coupe and the sedan, so I suspect there have been running changes to the sedan since it was launched. (autofile.ca)
Highlights include a fresh exterior style, an incredible amount of technology, sporty chassis tuning, and a standard six - speed manual transmission. (topspeed.com)