See also:

Materials Added To Engine Oils
Do not add any supplemental materials, other than leak detection dyes, to your engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives. ...

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 ...

Controls
The headphone power indicator and controls are located on the right ear cup. NOTE: The rear video system must be turned on before sound can be heard from the headphones. To conserve battery lif ...