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Engine Coolant Heater (If Equipped)
2.2L L4 (LN2) Engine
2.4L L4 (LD9) and 2.2L L4 ECOTEC (L61) Engine
In very cold weather, 0 F (
-18 C) or colder,
the engine coolant heater can help. You’ll get easier
starting and better fuel economy during engine
warm
-up. Usually, the coolant heater should be
plugged in a minimum of four hours prior to starting
your vehicle. At temperatures above 32 F (0 C),
use of the coolant heater is not required.