Battery In Engine Compartment, Charging, (0K0, 0K4)

WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Battery, Preparing for Charging

CAUTION:

Risk of explosion due to discharged battery with "visual indicator".

Severe injury is possible.

- If the display of the "visual indicator" is colorless or light yellow, do not check, charge or jump start the battery.

- Replace the battery.

TIP:

It is recommended that the battery is charged when installed and connected. This is the only way to ensure the charge current is incorporated into the capacity calculation for the Battery Monitoring Control Module -J367-.

-- Switch off the ignition and all electrical equipment. Place the ignition key outside of the vehicle.

-- Open the cover -2- over the battery positive terminal.

Courtesy of AUDI OF AMERICA, LLC

-- Connect the red charging clamp "+" of the battery charger to the positive terminal -1- and the black charging clamp "-" on the negative terminal -3-.

-- Connect the battery charger electrical system connector and the battery charger. Refer to Battery, Charging .

-- Leave the front lid open while charging the battery.