Lexus RC350 Owner's Manual page 417

In other situations

Even though all conceivable measures have been taken, the symptom status does not
change.
The cellular phone is not close enough to this system.
→ Bring the cellular phone closer to this system.
The cellular phone is the most likely cause of the symptom.
→ Turn the cellular phone off, remove and reinstall the battery pack, and then
restart the cellular phone.
→ Enable the cellular phone's Bluetooth
→ Stop the cellular phone's security software and close all applications.
→ Before using an application installed on the cellular phone, carefully check its
source and how its operation might affect this system.
5-11. Bluetooth
®
connection.
417
®
5