See also:

3.5L V6 Ecoboost engine
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Engine Coolant Change Record
Engine Coolant Change Log ...

BLIS and/or CTA on/off and disable operation
The BLIS and/or the CTA can be turned off via the message center. If either the BLIS and/or the CTA is turned off, the systems will automatically turn back on at the next ignition key cycle. When ...