See also:

Place/Retrieve a Call From Hold
To put a call on hold, press the button until you hear a single beep. This indicates that the call is on hold. To bring the call back from hold, press and hold the button until you hear a singl ...

Adding Fluid
Fluid should be added only at filler hole until fluid begins to run out of the hole. ...

Battery Replacement
The recommended replacement battery is CR2032. NOTE: • Perchlorate Material — special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate • Do not touch the battery terminal ...