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Cadillac XT5 2023 - Engine Overheating

Cadillac XT5 2023
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Cadillac XT5 Owner Manual (GMNA-Localizing-MidEast-16406259) - 2023 -
CRC - 5/31/22
Vehicle Care 263
6. Verify coolant level after the engine is
shut off and the coolant is cold.
If necessary, repeat coolant fill procedure
Step 16.
Caution
If the pressure cap is not tightly installed,
coolant loss and engine damage may
occur. Be sure the cap is properly and
tightly secured.
Automatic Coolant Service Fill
Instructions (2.0L Engine Only)
If equipped, this feature assists in filling and
removing air from the cooling system after
service of components or when coolant is
added after being too low.
To activate the fill and air removal process:
1. With a cold system, disconnect the vent
line from the port near the cap on the
surge tank. Add coolant to the indicated
mark on the surge tank.
2. Reconnect the vent line to the surge
tank and replace the cap on the
surge tank.
3. Connect the vehicle to a battery charger.
4. Put the vehicle in Service Mode. See
Ignition Positions 0 188.
5. Turn off the air conditioning.
6. Set the parking brake.
7. At the same time, press the accelerator
and the brake for automatic transmission
vehicles for two seconds, then release.
At the end of the cycle, check the coolant
level in the surge tank and add coolant, if it
is low. Turn off the vehicle, allow the Engine
Control Module (ECM) to go to sleep, about
two minutes, and repeat steps 3-7.
Listen for pump activation and movement of
the control valves while watching the level
of the tank. If the tank empties, turn the
ignition off, carefully remove the surge tank
cap, refill to the indicated mark and repeat
steps 3-6. The fill and air removal process
will run for approximately 10 minutes.
Engine Overheating
The vehicle has several indicators to warn of
the engine overheating.
There is an engine coolant temperature
gauge and an engine coolant temperature
warning light on the instrument cluster. See
Engine Coolant Temperature Gauge 0 98
and
Engine Coolant Temperature Warning Light
(Uplevel Only) 0 105. The vehicle may also
display a message on the Driver Information
Center (DIC).
If the decision is made not to lift the hood
when this warning appears, get service help
right away.

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