I would recommend to do this to prevent ban. Each of edited numbers (cash, gold, keys) can be increasing by lowering amount of spent money, gold, keys and it is less suspicious than increasing every time you are in need.
1. Launch the game and iGameguardian (CLOSE ALL OTHER APPS)
2. in the game menu - go to profile / Lifetime Cash - memorize the amount.
3. switch to iGameguardian - choose search / number - and enter the amount
4. the search result will get you lots of hex numbers, just ignore it.
5. go back to csr2 and start a rcae to change lifetime cash.
6. after finishing the race, go to profile / lifetime cash and memorize the new amount.
7. switch to iGameguardian and search again for the new amount.
8. when you find it, click on it and edit the amount as you want (do not put high amounts to prevent Banned)
8/1 next time do not increase amount, but go to next row (cash spent) and decrease the number. Your actual cash will increase.
9.now go back to csr2, cash should be increased.
10. now for gold amount, go to iGameguardian and choose : memory / click on goto button
11. click on the 4th column under your last cash edited amount.
12. gold Alter Address: 0x108C0E05C.
13. click on it and type your preferred amount - go back to game to see gold amount change.
13/1 Same as on CASH
14. now for bronze keys. after editing gold amount, scroll down to the 3rd column and edit it.
15. silver keys Alter Address : 0x108C0E070
16.silver keys : scroll down to the 3rd column and edit it after bronze keys Alter Address.
17. silver keyz Alter Address : 0x108C0E07C
18. gold keys are the same, 3rd column after silver keys Alter Address.
19. gold keys Alter Address: 0x108C0E088
19/1 Same as on CASH