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Vehicle battery -> Warning light for Your Volkswagen Passat SUV Sixth Generation (2005-2010)

Undeployed battery isolator modules are classified as Perchlorate Material. Special handling  
requirements regarding handling and disposal of the vehicle or parts of its restraint system, including  
airbag modules and safety belts with pretensioners. Authorized Volkswagen dealers and authorized  
Volkswagen Service Facilities are familiar with the requirements, and we recommend that you have  
them perform this service for you.  
Emergency starting and starting the engine with a very weak vehicle battery or after the vehicle  
battery has been replaced may change or delete settings (including time, date, personal convenience  
settings and programming). Check the settings and correct as necessary once the vehicle battery has  
built up a sufficient charge.  
Warning light  
Please first read and note the introductory information and heed the WARNINGS  
Lights  
up  
Possible cause  
Proper response  
See an authorized Volkswagen dealer or an  
authorized Volkswagen Service Facility. Have  
the electrical system checked.  
Switch off unnecessary electrical loads. The  
vehicle battery will not be charged by the  
alternator as you drive.  
Alternator malfunction.  
When the ignition is switched on, several warning and indicator lights come on briefly for a function  
check. They go out after a few seconds.  
WARNING  
Failure to heed warning lights and instrument cluster text messages can cause the vehicle to  
break down in traffic and result in a collision and serious personal injury.  
Never ignore warning lights or text WARNINGS.  
Always stop the vehicle as soon as it is safe to do so.  
NOTICE  
Failure to heed warning lights or text WARNINGS can result in vehicle damage.