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:
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF
in each shift lever position.
The ignition should turn to LOCK/OFF only when the shift lever is in P (Park).
...
OnStar® Hands-Free Calling
OnStar® Hands-Free Calling allows eligible
OnStar® subscribers to make and receive calls
using voice commands. Hands-Free Calling is fully
integrated into the vehicle, and can be used
with OnSta ...
Filling a Portable Fuel Container
WARNING
Never fill a portable fuel container while it is in the vehicle. Static electricity discharge from the container can ignite the fuel vapor. You can be badly burned and the vehicle damaged ...