336
3-4. Using the hands-free phone system (for mobile phones)
IS250/220d/200d_EE
Automatic volume adjustment
When vehicle speed reaches 80 km/h (50 mph) or more, the volume auto-
matically increases. The volume returns to the previous volume setting
when vehicle speed drops to 70 km/h (43 mph) or less.
Operations that cannot be performed while driving
Operating the system with , and
Registering a mobile phone to the system
Changing the passkey
P. 343
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