When Herbie seems to have trouble restarting because of being determined to stay with the Lancia , Diane is now fully convinced that cars can have minds of their own .
Diane now knows Diane 's own car is alive as well .
When Herbie seems to have trouble restarting because of being determined to stay with the Lancia , Diane is now fully convinced that cars can have minds of their own because she now knows her own car is alive as well .