Cadillac XT4 Owner Manual (GMNA-Localizing-Europe-16412942) - 2023 -
CRC - 5/25/22
Vehicle Care
265
2.0L Engine LSY
1. Electric Engine Cooling Fan (Out
of View)
2. Coolant Surge Tank and Pressure Cap
{
Warning
An underbonnet electric fan can start up
even when the engine is not running and
can cause injury. Keep hands, clothing,
and tools away from any underbonnet
electric fan.
{
Warning
Do not touch heater or radiator hoses,
or other engine parts. They can be very
hot and can burn you. Do not run the
engine if there is a leak; all coolant could
leak out. That could cause an engine fire
and can burn you. Fix any leak before
driving the vehicle.
Engine Coolant
The engine cooling system in the vehicle is
filled with DEX-COOL engine coolant mixture.
This coolant needs to be checked and
changed at appropriate levels. See
Recommended Fluids and Lubricants
.
The following explains the cooling system
and how to check and add coolant when it
is low. If there is a problem with engine
overheating, see
.
What to Use
{
Warning
Do not touch heater or radiator hoses,
or other engine parts. They can be very
hot and can burn you. Do not run the
(Continued)
Warning (Continued)
engine if there is a leak; all coolant could
leak out. That could cause an engine fire
and can burn you. Fix any leak before
driving the vehicle.
Use a 50/50 mixture of clean, drinkable
water and DEX-COOL coolant. This mixture:
.
Gives freezing protection down to
−
37 °C
(
−
34 °F), outside temperature.
.
Gives boiling protection up to 129 °C
(265 °F), engine temperature.
.
Protects against rust and corrosion.
.
Will not damage aluminium parts.
.
Helps keep the proper engine
temperature.
Caution
Do not use anything other than a mix of
DEX-COOL coolant that meets GM
Standard GMW3420 and clean, drinkable
water. Anything else can cause damage
to the engine cooling system and the
vehicle, which would not be covered by
the vehicle warranty.