Remote Control, Battery: General: Notes
WARNING: This page is about a different car, the 2002 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
The remote control is operated by a 3V lithium battery (CR 2032) and in normal use the battery will last for around 3 years. The battery should be changed when the range falls.
For safety reasons, we recommend changing the battery once a year.