Ending a Call
Buick Lucerne / Buick Lucerne Owners Manual / Instrument Panel / Audio System(s) / Bluetooth® / Ending a Call
Press 
to end a call.
See also:
Turn and Lane-Change Signals
The turn signal has two upward (for right) and
two downward (for left) positions. These positions
let you signal a turn or a lane change.
To signal a turn, move the lever all the way up or
down. ...
Headlamp Delay
Press the customization button until HEADLAMP
DELAY: 10 SEC appears in the display. To select
your preference for how long the headlamps will
stay on when you turn off the vehicle, press the
selec ...
End a Call
Push . System responds: “Call
ended.” ...