For 1990-2009 cars

#### Battery Hydrometer Displays Yellow Dot

Step | Action | Yes | No
--- | --- | --- | ---
Caution: Batteries produce explosive gases. Batteries contain corrosive acid. Batteries supply levels of electrical current high enough to cause burns. Therefore, in order to reduce the risk of personal injury while working near a battery, observe the following guidelines:

• | Always shield your eyes.

• | Avoid leaning over the battery whenever possible.

• | Do not expose the battery to open flames or sparks.

• | Do not allow battery acid to contact the eyes or the skin.

- | Flush any contacted areas with water immediately and thoroughly.

- | Get medical help.

1 | Did you perform the Battery Check? | Go to Step 2 | Go to Battery Check
2 | Tap the hydrometer lightly on top with the handle of a small screwdriver to dislodge any air bubbles inside the battery. Is the hydrometer dot still yellow? | Go to Step 4 | Go to Step 3
3 | Does the hydrometer display a green or dark dot? | Hydrometer OK | Go to Step 4
4 | Replace the battery. Refer to Battery Replacement . Did you complete the replacement? | Go to Step 5 | --
5 | Visually inspect the hydrometer in the new battery. Does the hydrometer display a green dot? | Go to Step 11 | Go to Step 6
6 | Does the hydrometer display a yellow dot? | Go to Step 7 | Go to Step 9
7 | Tap the hydrometer lightly on top with the handle of a small screwdriver to dislodge any air bubbles inside the battery. Is the hydrometer dot still yellow? | Go to Step 4 | Go to Step 8
8 | Does the hydrometer display a green dot? | Go to Step 11 | Go to Step 9
9 | Does the hydrometer display a dark dot? | Go to Step 10 | --
10 | Charge the battery. Refer to Battery Charging . Was the battery recharged? | Go to Step 11 | --
11 | Check the charging system for proper operation. Refer to Charging System Check . Is the charging system OK? | Hydrometer OK | --