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Battery, Checking Charge Level

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Checking the batter is only permitted as part of the pre-delivery inspection.

ODIS Service
-- Connect the Vehicle Diagnostic Tester. Refer to VEHICLE DIAGNOSTIC TESTER, CONNECTING .
-- Switch on the ignition.
-- Perform the vehicle identification.
-- Enter the work order data or select "no work order".
-- Select the "control module"
-- Select "Data bus diagnostic interface".
-- Select "Control module OBD".
-- Select "Measured values".
-- Select "Battery charge for display".

Charge the battery immediately if the value is ≤80 (80 % state of charge) or if the voltage display is ≤12.5 (resting voltage is 12.5 V).

If the value is ≤10 or the voltage display is ≤11.6, then mark the battery and make sure it starts by charging it immediately.

Replace a low battery before delivering the vehicle to the customer.