Could you clarify if you are referring to a specific mobile app, a PC simulation mod, or perhaps a different title like City Car Driving GTA Vice City - ALL CHEATS + Demonstration [PC/PS2/Xbox]
Here are some cheat codes for City Classic Car Driving 131: cityclassiccardriving131 cheat codes
g_set_auto_transmission 1 : Forces the vehicle into Automatic Transmission (use 0 for Manual). Could you clarify if you are referring to