Finish the following sentence with the best choice: To replace a battery in a smoke detector.

Choices:
- Twist the detector off the wall mount and open the speaker compartment, using a screwdriver if necessary, and replace the battery.
- Twist the detector off the wall mount and open the battery compartment, using a screwdriver if necessary, and replace the battery.

Answer:
Twist the detector off the wall mount and open the battery compartment, using a screwdriver if necessary, and replace the battery.