C40 Recharge Replacing the key's battery

Note

All batteries have a limited service life and must eventually be replaced (does not apply for Key Tag). The battery's service life varies depending on how often the vehicle/key is used.

When the information icon illuminates and the message The car key battery is low. See Owner's Manual for replacement. appears in the instrument panel, the key's battery needs to be replaced.

Reduced key range is another sign that the battery level is low.

The battery in the buttonless key (Key Tag)* cannot be replaced. When the battery is discharged, a new buttonless key can be ordered from an authorized Volvo workshop.

Important

Hand in used Key Tags to an authorized Volvo workshop, where the key can be deleted from the vehicle's system. The key can still be used even if the battery is discharged to start the vehicle via a back-up start.

Opening the key and replacing its battery

Important

Do not touch the contact surfaces of new batteries. This impairs the battery's function.

Hold the key with the front side (with the Volvo logo) facing up, and the key ring bracket facing you.

There should be a catch to the left of the key ring bracket. If this catch is on the wrong side, the front and back sides have been switched during a previous battery change.

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Move the catch next to the key ring bracket to the side and slide the front cover away from the bracket.

The cover comes loose and can be lifted off.

There is an additional catch under the front cover for removing the back cover.

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Move the catch behind the front cover to the side and slide the rear cover away from the key ring bracket.

The cover comes loose and can be lifted off.

Under the rear cover is a battery cover.

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Turn the battery cover counterclockwise to the OPEN position. Use a screwdriver, coin or similar.

Remove the battery cover. If it is difficult to remove, use a narrow object to carefully pry it up.

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The battery's positive side (+) faces upward. Remove the battery by pressing its edge and then lifting it out.

Insert a new battery with the positive side (+) facing upward. Do not touch the contact surfaces of the key battery.

Place the edge of the battery under the two lower plastic catches.

Then push the battery down so that it is held in place by the upper plastic catch.

Note

Use batteries with the designation CR2032, 3 V.

Note

Volvo recommends that replacement batteries for the key meet the UN Manual of Test and Criteria, Part III, sub-section 38.3. The supplied batteries or batteries replaced by an authorized Volvo workshop meet the same criteria.

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Put the battery cover back into place and turn it clockwise to the CLOSE position.

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Put the back cover on in the reverse order it was removed. The back cover does not have a logo. Press the cover down until it clicks and then push it the last few millimeters back to its original position.

A second click indicates that the cover is correctly positioned and locked into place.

There should not be any gaps.

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Turn the key and put the front cover back on in the same way as the back cover.

Warning

Make sure the battery is positioned correctly with the right polarity. If the key will not be used for a prolonged period of time, remove the battery to avoid battery leakage and damage. Wear protective gloves when handling damaged batteries, as batteries that are damaged or leaking can cause corrosive damage in contact with the skin.

Keep batteries out of the reach of children.
Do not leave batteries lying out where they could be swallowed by children or pets.
Never disassemble, short-circuit or place a battery into open fire.
Do not charge non-chargeable batteries. They could explode.
Check products with batteries regularly for signs of damage.

Do not use the key if there is anything to suggest that the key or its battery has been damaged or is beginning to leak. Keep defective products out of the reach of children.

Important

Batteries must be recycled in an environmentally sound manner at the end of their service life.

Warning

California Proposition 65

Operating, servicing and maintaining a passenger vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to www.P65Warnings.ca.gov/passenger-vehicle.