layla56 Posted April 16, 2011 Report Share Posted April 16, 2011 Just changed the cabin air filter in my 2000 DTS, am not sure which way the arrow should point, down or up? The old one I took out does not have an arrow, so just not sure. Your help would be much appreciated, Thank You. Link to comment Share on other sites More sharing options...
Ranger Posted April 17, 2011 Report Share Posted April 17, 2011 Never seen an arrow on mine, but I suspect it is the direction of air flow. Link to comment Share on other sites More sharing options...
cadillacjeff7777 Posted April 17, 2011 Report Share Posted April 17, 2011 The arrow more then likely is indicating air flow direction. Just make sure the arrow is pointed in the direction of flow into the passenger compartment. 2008 DTS Link to comment Share on other sites More sharing options...
layla56 Posted April 17, 2011 Author Report Share Posted April 17, 2011 Thanks guys for your quick response! Link to comment Share on other sites More sharing options...
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