Maintenance and care
freeze at the temperature level in
which you drive during winter
months. Never increase the engine
coolant concentration above 60%.
Leave a 50/50 mixture of engine
coolant and water in your vehicle
year-round in non-extreme
climates.
Checking the cooling system
hoses
Inspect all engine and heater
system hoses and hose connections
for:
• deterioration
• leaks
• loose hose clamps
What you should know about
fail-safe cooling (if equipped)
Vehicles equipped with 4.6L or
5.4L engines have a fail-safe
170