I had seen that GTA 5 have same cheats as of GTA 4. 
So here are cheats:

Effect                                 Password

---------------------------------------------------

Change weather                       - 468-555-0100

Get a different selection of weapons - 486-555-0150

Get a selection of weapons           - 486-555-0100

Raise wanted level                   - 267-555-0150

Remove wanted level                  - 267-555-0100

Restore armour                       - 362-555-0100

Restore health, armor, and ammo      - 482-555-0100

Song information                     - 948-555-0100

Spawn a Cognoscenti                  - 227-555-0142

Spawn a Comet                        - 227-555-0175

Spawn a Jetmax                       - 938-555-0100

Spawn a Sanchez                      - 625-555-0150

Spawn a SuperGT                      - 227-555-0168

Spawn a Turismo                      - 227-555-0147

Spawn an Annihiliator                - 359-555-0100

Spawn an FIB Buffalo                 - 227-555-0100

Spawn an NRG-900                     - 625-555-0100