Inspect your spark plugs as described in chapter 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way.
Change to "winter weight" oil if
necessary
To keep locks from freezing: Cooling System Capacity and Specification - 1.5L EcoBoost™
Use coolant that meets the defined
specification.
If you do not use coolant that meets the
defined specification, it could result in:
Component damage that your vehicle
warranty does not cover.
Reduced vehicle performance.
Capacities
Materials
...
: Engine Block Heater
(If Equipped)
Engine Block Heater Precautions
WARNING: Failure to follow engine
block heater instructions could result in
property damage or serious personal
injury.
WARNING: Do not use your heater
with ungrounded electrical systems or
two-pronged adapters. There is a risk of
electrical shock. ...