Cooling System – Drain, Flush, And Refill
If the engine coolant (antifreeze) is dirty or contains a considerable amount of sediment, clean and flush with a reliable cooling system cleaner. Follow with a thorough rinsing to remove all deposits and chemicals. Properly dispose of the old engine coolant (antifreeze).
Refer to the “Maintenance Schedule” for the proper maintenance intervals.
See also:
Clearing A Flooded Engine (Using ENGINE START/STOP Button)
If the engine fails to start after you have followed the
“Normal Starting” or “Extreme Cold Weather procedures,
it may be flooded. To clear any excess fuel, press
and hold the brake pedal, ...
Multi-Displacement System (MDS) (If Equipped) — 5.7L Engine Only
This feature offers improved fuel economy by shutting
off four of the engine’s eight cylinders during light load
and cruise conditions. The system is automatic with no
driver inputs or additio ...
Remote Start System — If Equipped
This system uses the Remote Keyless Entry
(RKE) transmitter to start the engine conveniently
from outside the vehicle while still
maintaining security. The system has a range of
approximatel ...
