See also:

Loss of a remote key
If either of the remote keys is lost, the other should be taken with the car to a Volvo retailer. As an anti-theft measure, the code of the lost remote key must be erased from the system. NOTE ...

Locking or unlocking the vehicle with the key blade
Keyless drive keyhole cover The driver's door on vehicles equipped with keyless drive can be locked or unlocked with the remote key's detachable key blade if necessary, see page 61 for inform ...

Demanding driving
In demanding driving conditions, such as operating the vehicle in hot weather, towing a trailer, or driving for extended periods at higher altitudes than normal, it may be advisable to switch ...