Engine Heater - GMC Duramax Diesel 2015 Owner's Manual

2. Hook the five J-clips to the
bottom edge of the grille.
3. Hook the top center J-clip by the
hood latch.
Driving and Operating
4. Attach the metal hooks, one
each at the top corners.
5. To remove the winter cover,
reverse the steps listed
previously.

Engine Heater

The engine coolant heater can
provide easier starting in cold
weather conditions at or below
18°C (0°F). The engine coolant
heater should be plugged in at least
four hours before starting.
To Use the Engine Heater
1. Turn off the engine.
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