2007 VOLKSWAGEN PASSAT Battery size

Volkswagen recommends having the battery in the remote control vehicle key changed by an authorized Volkswagen dealer or authorized Volkswagen Service Facility.
The battery is on the back of the remote control vehicle key under a cover ⇒ fig. 30.
When changing the battery, pay attention to the correct polarity and use the same type of battery
⇒ .
Replacing the battery
x Unfold the key bit on the remote control vehicle key, Remote control vehicle keys, Remote control vehicle keys, Remote control vehicle keys.
x Remove the cover on the back of the remote control vehicle key in the direction of the arrow ⇒ .
x Use a thin object to pry the battery out of the battery compartment ⇒ fig. 31.
x Position the new battery in as shown and press it into the battery compartment (opposite to
direction of the arrow) ⇒ .
x Position the cover as shown ⇒ fig. 30 and press it down (opposite to direction of the arrow) until you hear it click into place.
NOTICE
x Changing the battery improperly can damage the remote control vehicle key.
x Using the wrong battery can damage the remote control vehicle key. Replace a dead battery with a new one that has the same voltage, size, and specifications.
x Make sure the plus and minus poles of the battery are correctly positioned.
Dispose of old batteries in an environmentally responsible manner 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 http://www.dtsc.ca.gov/hazardouswaste/perchlorate. Obey all legal requirements regarding handling and disposal of these batteries. 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.
Synchronizing the remote control vehicle key

DANGER
20 mm button cells and other lithium batteries will cause serious personal injury and even death within a short time if swallowed.
x Always keep hand-held remote control devices with batteries, spare batteries, as well as dead button cell and larger 20 mm batteries out of the reach of children.
x Get medical attention immediately if you suspect that a battery has been swallowed.
WARNING
Improper use of the HomeLink® Universal Transmitter can cause serious or even fatal personal injury.
x Garage doors operate with enough force to cause serious personal injury.
x Never let anyone get in the way of a garage door when it is opening or closing.
x When programming the HomeLink® Universal Transmitter, you may be operating a garage door or estate gate. Always make sure that people and objects are out of the way to help prevent serious personal injury or property damage.
x When operating the “training” button on a garage door opener with a rolling code, you will need to stand on a ladder or step-stool. Always take extra precautions to prevent falls and serious injury.
x Never use the HomeLink® Universal Transmitter with any garage door opener that does not have the safety stop-and-reverse feature, as required by federal safety standards. This includes any garage door opener model manufactured before April 1, 1982.
x A garage door opener that cannot detect an object, signaling the door to stop and reverse, does not meet current federal safety standards. Using a garage door opener without these features increases the risk of serious injury or death.
x Follow the installation manual and the included safety information from the manufacturer when using the remote-controlled garage door opener or electrical drive.
NOTICE
The wrong batteries can damage the hand-held remote control. Replace a dead battery with one that has the same voltage, size, and specifications.
Please dispose of old batteries properly and in an environmentally responsible manner. Always keep them out of the reach of children.
Certain batteries used in hand-held remote controls are classified as Perchlorate Material. Special handling may apply – see http://www.dtsc.ca.gov/hazardouswaste/perchlorate. Obey all legal requirements regarding proper disposal. 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.

Outer diameter
The diameter of a new, properly inflated tire.
Overall width
Total width measured at the exterior sidewalls of an inflated tire, including the additional width of labeling, decorations, or protective bands or ribs.
Passenger car tire
A tire intended for use on passenger cars, multipurpose passenger vehicles, and trucks, that have a gross vehicle weight rating (GVWR) of 10,000 pounds or less.
Ply
A layer of rubber-coated parallel cords.
Ply separation
A parting of rubber compound between adjacent plies.
Pneumatic tire
A mechanical device made of rubber, chemicals, fabric, and steel or other materials, that, when mounted on an automotive wheel, provides the traction and contains the gas or fluid that sustains the load.
Production options weight
The combined weight of installed regular production options weighing over 5 lbs (2.3 kg) more then the standard items they replace, and not previously considered as curb weight or accessory weight. These include, for example, heavy-duty brakes, ride levelers, heavy-duty battery, and special trim.
Radial ply tires
A pneumatic tire in which the ply cords that extend to the beads are laid at substantially 90 degrees to the centerline of the tread.
Recommended inflation pressure
The tire pressure recommended by the vehicle manufacturer for a tire of a specified size that has not been driven for more than a couple of miles (kilometers) at low speeds in the 3 hour period before the tire pressure is measured or adjusted.
Reinforced tire
A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire.
Rim
The outer edge of a wheel upon which the tire beads are seated.
Rim diameter
The nominal diameter of the wheel's tire bead seating surface. If you change your wheel size, to wheels of a different diameter, you will have to purchase new tires to match the new wheels.
Rim size
Designation means rim diameter and width.
Rim type designation
The industry or manufacturer's designation for a rim by style or code.
Rim width
The nominal distance between wheel rim flanges.