GMC Yukon 2021 Owner's Manual page 102

The operating temperature is 20 °C ( 4 °F)
to 60 °C (140 °F) for the charging system
and 0 °C (32 °F) to 35 °C (95 °F) for the
phone.
{
Warning
Remove all objects from the charging pad
before charging your compatible
smartphone. Objects, such as coins, keys,
rings, paper clips, or cards, between the
smartphone and charging pad will
become very hot. On the rare occasion
that the charging system does not detect
an object, and the object gets wedged
between the smartphone and charger,
remove the smartphone and allow the
object to cool before removing it from
the charging pad, to prevent burns.
To charge a compatible smartphone:
1. Remove all objects from the charging
pad. The system may not charge if there
are any objects between the smartphone
and charging pad.
2. Place the smartphone face up against
the bottom edge of the charge pad.
To maximize the charge rate, ensure the
smartphone is fully seated and centered
in the holder with nothing under it.
A thick smartphone case may prevent
the wireless charger from working,
or may reduce the charging performance.
See your dealer for additional
information.
Instruments and Controls
3. A green
will appear on the
the infotainment display. This indicates
that the smartphone is properly
positioned and charging. If a smartphone
is placed on the charging pad and
does not display, remove the
smartphone from the pad, turn it
180 degrees, and wait three seconds
before placing/aligning the smartphone
on the pad again.
4. If turns yellow, ensure that the
charging pad is clear of any objects and
that the smartphone is capable of
wireless charging before re-positioning it.
If does not illuminate, the
smartphone may need to re-positioned.
The smartphone may become warm
during charging. This is normal. In
warmer temperatures, the speed of
charging may be reduced.
Software Acknowledgements
Certain Wireless Charging Module product
from LG Electronics, Inc. ("LGE") contains the
open source software detailed below. Refer
to the indicated open source licenses (as are
included following this notice) for the terms
and conditions of their use.
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