Battery Without Visual Indicator

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Do not open acid batteries.

CAUTION:

If the electrolyte level is below the MIN mark, replace the battery. Refer to BATTERY, REMOVING AND INSTALLING .

-- Make sure the battery and the terminal clamps are secure. Tighten them if necessary. Refer to BATTERY, CHECKING FOR SECURE FIT .

-- Perform a visual inspection of the battery housing and check for the following:

Corrosion on or damage to the battery pole
Damage to the housing

-- Perform a visual inspection of the battery cells to determine the electrolyte level. The electrolyte level must be above the MIN mark.

NOTE:

Using a flashlight during the visual inspection makes it easier to see the MIN and MAX marks.

If it is difficult to read the battery: use a small mirror to see the electrolyte level while holding a flashlight at a right angle.