See also:

Call volume
Adjusting the incoming or outgoing call volume may improve clarity if reception between callers is unclear. - Incoming calladjusting this setting allows you to hear a difference in volume. - ...

Audio operation precautions
Audio operation precautions ...

NISSAN Intelligent Key™ (if so equipped)
Replace the battery in the Intelligent Key as follows. 1. Remove the mechanical key from the Intelligent Key. 2. Insert a small screwdriver A into the slit B of the corner and twist it to sepa ...