Battery is the critical electrical systems in modern vehicles, the use of a large number of electrical installations, the battery is not working properly, it will affect the performance of many devices. On automatic transmission vehicles, for example, if the battery is not normal, and will make such a car can not start. Therefore, we must always be able to get a stable power supply.

The terminals include: the terminal insertion portion; elastic part; and fasteners.

Fasteners include: fastening the gasket, fastening the lateral pads located on the elastic part, and on the side of the curved portion, which remain outstanding from the first connection part and the second connecting part of the split region extended part toward the elastic part; bolt parts, bolts, parts from the bottom of the elastic part through the elastic part of the slot and tighten the gasket hole prominent; and nut parts, nuts parts by fastening pads connected to the bolt parts and transverse move the fastening pads to reduce the diameter of the terminal insertion portion.
  
Check the battery fluid level, if the surface is located in the upper and lower two engraved lines is considered appropriate. At the same time should also check the surface of each slot is poor. If the surface is insufficient, you can unscrew the battery above the cover, pour the distilled water surface.

Check the battery terminals, the use of iron brush in addition to the terminals of the contamination. If the wiring clamp is badly soiled, wipe down the inside wall with sandpaper move, worn dirt.