ImVehlm for GTA:SA & SA:MP
ImVehlm or Improved Vehicle Ligths mod, is simply a mod that improves your lights and makes them closer to reality. This mod is available on Single Player and works on SA:MP too. 
 Added stuff: 
 - C+1 for the inside camera;
 - C+2 for moving the inside camera;
 - C+3 for resting your char's elbow on the window;
 - Z for left blinker;
 - X for hazard lights;
 - C for right blinker;
 - J for the fog lights;
 - G for the high/low beam;
 - Shift to turn off the blinkers.
 
How to install:
 Get the archive
 Extract all the archive in GTA:SA root folder
 Go to models on your GTA:SA folder and copy the VEHICLE folder to the GENERIC folder.
 Enjoy ! 
 > Download <