TVS Apache RR 310 Owner's Manual page 100

Note
Only one iPhone can be auto-paired with a single
instrument cluster at a time. If the user need to connect
multiple iPhones with the single instrument cluster,
the previous connected iPhone has to be forgotten by
clicking, "Forget This Device" from Bluetooth settings in
the iPhone.
If the vehicle battery is reset or fuse is blown, then too
"Forget This Device" from Bluetooth settings in the
iPhone has to be done.
Steps to "Forget This Device" in iPhone:
If the user needs to connect multiple iPhones with
the single instrument cluster, the previous iPhone
has to be forgotten using "Forget This Device" from
Bluetooth settings in the following manner:
87
87