The phrase "cornering attitude" refers to how a vehicle leans or tilts when going around a corner. It describes the position of the car during a turn, where it may lean to one side. Full definition
The ride is stiff when you'd rather experience compliance, and the suspension allows too much body roll when you'd prefer a flatter cornering attitude. (nydailynews.com)
For a seriously aggressive cornering attitude, stability control can be switched off. (automobilemag.com)
Then there is Track, which permits unexpectedly adventurous cornering attitudes — after all, stability control is still active, although only just. (automobilemag.com)