Time to check up Battery!
Warning! When the battery begins to deteriorate
1.Headlights dim up
2.Hard to starting
3.The sound of the horn weaken
4.Use 1.5 - 2 years
5.Add distilled water frequently
6.Slow electric windows
7.No wiper force
8.Slow working of auto lock system
Battery Maintenance It's not hard
1.Always check the distilled water levels at least one time per month, not LOWER LEVEL because lifespan is will be short.
2.Firmly tighten battery terminals to electric current work well
3.Clean salt stain on battery terminals and surfaceน
4.If you leave the car parking for more than 2- 3 weeks resulted in deteriorating of battery and quality to keep electric dropping