Scheduled Maintenance
Buick Lucerne / Buick Lucerne Owners Manual / Maintenance Schedule / Scheduled Maintenance / Scheduled Maintenance

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How to Add Coolant to the
Coolant Surge Tank
WARNING!
You can be burned if you spill
coolant on hot engine parts.
Coolant contains ethylene glycol
and it will burn if the engine parts
are hot enough. Do not spill
coolant on a hot engin ...
Volume Control
VOL/ (Volume/Power): Turn to
adjust the volume.
(Phone/Mute): For vehicles with
OnStar®, press and hold to mute
the infotainment system. Press and
hold again, or turn the VOL/
knob t ...
Adjusting the Volume
Turn the VOL/ knob to adjust the
volume of the infotainment system
after the volume level has been set
on the portable audio device. ...
