Vehicle key set -> Replacing the remote control vehicle key battery for Your Volkswagen Passat SUV Seventh Generation (2010-2014)

Replacing the remote control vehicle key battery  
Fig. 23 Remote control vehicle key: Open battery compartment cover.  
Fig. 24 Remote control vehicle key: Remove old battery.  
¤ Please first read and note the introductory information and  
heed the WARNINGS  
Volkswagen recommends having the battery in the remote control  
vehicle key changed by an authorized Volkswagen dealer or an au-  
thorized Volkswagen Service Facility.  
The battery is on the back of the remote control vehicle key under a  
cover fig. 23.  
When changing the battery, pay attention to the correct polarity and  
use the same type of battery .  
Replacing the battery  
Unfold the key bit on the remote control vehicle key Remote con-  
trol vehicle keys.  
Remove the cover on the back of the remote control vehicle key  
fig. 23 in the direction of the arrow .  
Use a thin object to pry the battery out of the battery compartment  
fig. 24.  
Position the new battery in as shown fig. 24 and press it into the  
battery compartment (opposite to direction of the arrow) .  
Position the cover as shown fig. 23 and press it down (opposite  
to direction of the arrow) until you hear it click into place.  
NOTICE  
Changing the battery improperly can damage the remote con-  
trol vehicle key.  
Using the wrong battery can damage the remote control vehi-  
cle key. Replace a dead battery with a new one that has the same  
voltage, size, and specifications.  
Make sure the plus and minus poles of the battery are correct-  
ly positioned.  
Dispose of old batteries in an environmentally responsible man-  
ner and keep them out of the reach of children.  
Batteries of the type used in your remote control vehicle key may  
contain Perchlorate Material. Special handling may apply – see  
requirements regarding handling and disposal of these batteries. Au-  
thorized Volkswagen dealers and authorized Volkswagen Service  
Facilities are familiar with the requirements, and we recommend that  
you have them perform this service for you.  
Synchronizing the remote control vehicle key  
¤ Please first read and note the introductory information and  
heed the WARNINGS  
If the  button is pressed often while outside the operating range, it is  
possible that the vehicle cannot be locked or unlocked anymore with  
the remote control vehicle key. Synchronize the vehicle key as fol-  
lows: