dont worry about it.... your vehicle ( or at least many have LCD displays in it and it sits out in the cold all winter... Just because it says liquid does not mean water... Do you think the containers bringing the TV's to the northern states and Canada are heated? NOT!!!!
Before I started snowbirding my LCD's spent the winter in my TT at -40 and still worked the next spring.
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
140 days boondocking in 2016
211/2015, 196/14, 247/13, 193/12