Replacing The Batteries
Each set of headphones requires two AAA batteries for operation. To replace the batteries:
• Locate the battery compartment on the left ear cup of the headphones, and then slide the battery cover downward.
• Replace the batteries, making sure to orient them according to the polarity diagram shown.
• Replace the battery compartment cover.
See also:
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Power-Up
After switching the ignition key from OFF to either the ON or ACC position, or
after a language change, you must wait at least five seconds prior to using the
system.
...
Extreme Cold Weather (Below –20°F Or –29°C)
To ensure reliable starting at these temperatures, use of
an externally powered electric engine block heater (available
from your authorized dealer) is recommended. ...


