Welcome to JF.
Please post this in the WK Grand Cherokee and XK Commander support forum (what you have) found here:
You should get your answer there. Also, check out the stickies in that section. The info you seek may be in there. Fill in your profile, too (works best from a full browser), tells us all about your Jeep.
This forum is for account/site/app issues, suggestions, and questions only.
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Siena Jeep Owner's