With this mod in game appear buttons:
                //----------------------------------------------------------------------------------//
                                                     Super Nitro (Left Alt)
                                             ===================
                                                   Super Brakes (Right Alt)
                                              ===================
                                                    Car Jumping (Left Ctrl)
                                             ===================
             Hydraulics on all cars, planes, helicopters and small vehicles. (In car press 1)
                                         (Not for bikes, Boats and Monsters)
                                              ===================
                                         Refill your car health (In car press 2)
                                              ===================
                                       Infinity run, anti bike fall of for player (3)
                                              ===================
                                                   Anti-Admin Freeze (F10)    *Thanks to WAX
                                              ===================
                                                       Get Jetpack (F11)
                                              ===================
                                                         Get weapons:
                                                               Minigun
                                                              Sawnoff
                                                              Micro Uzi
                                                                   M4
                                                             Sniper Rifle
                                                                  (F12)
                                             ====================
                                                Suicide button added! (Delete)
                        (On some servers not use command "/kill", and i don't like it)   
                                             ====================
                //----------------------------------------------------------------------------------//
                 

//-------------------------------------------------------------------------------
How to install: Run MultiMod.exe, select GTA:SA directory and install mod.
How to uninstall: Run Uninstall_mod.exe in GTA:SA directory or Start/Programs menu.
//-------------------------------------------------------------------------------

Mod History:
+ By pressing a right alt, if the car is turned over, he's will return on wheels again.
+ Jumping Car added! I like jumping on roof in car Cheesy
+ Hydraulics on all cars, planes, helicopters and small vehicles.
+ Refill car health
+ Infinity run, anti bike fall of for player
+ Get Jetpack
+ Get weapons
+ Suicide