Battery Without Visual Indicator

WARNING: This page is about a different variant/trim than selected.

The battery is in the luggage compartment.

Removal Procedures:

-- Raise the luggage compartment floor covering and secure.

-- Remove the nut -1- for the vehicle tool kit and remove the cover with the vehicle tool kit -2- or temporary spare tire.

Fig 1: Battery Holder With Bolt

Courtesy of AUDI OF AMERICA, LLC

Procedure:

-- Check the battery housing for the following:

Corrosion or damage to the battery terminals
Mechanical damage to the battery housing or cover, recognizable by electrolyte leakage or crystallization on the damaged location.

-- Replace damaged batteries.

-- Check the electrolyte level of all battery cells with the markings in the housing.

-- If the electrolyte level of at least one battery cell is under the MIN mark, replace the battery.

Installation procedures occur in reverse order.

NOTE:

Use a bright flashlight to see the MIN and MAX markings better in the housing.

If it is difficult to read the battery, use a small mirror to check the electrolyte level while holding a bright flashlight at a right angle behind the battery cells.