Cadillac LYRIQ Owner Manual (GMNA-Localizing-Europe-16878479) -
2024 - CRC - 9/20/23
246 Vehicle Care
1. Windscreen Washer Fluid Reservoir. See
Washer Fluid 0 247.
2. Bonnet Latch.
3. Brake Fluid Reservoir. See Brake Fluid
0 248.
Cooling System
It is not necessary to regularly check coolant
unless a leak is suspected or an unusual
noise is heard. A coolant loss could indicate
a problem. Have it inspected and repaired
by your Cadillac Service Centre.
During vehicle operation and also during
charging, the high voltage battery cells in
the vehicle are kept within a normal
operating temperature range. If the
temperature rises above this temperature,
the battery cooling system turns on the air
conditioning compressor and cools the
coolant until the correct temperature is
reached. If the temperature falls below this
temperature, a high voltage heater, located
outside the battery on a cradle, heats the
coolant until the correct temperature is
reached.
The cooling system allows the vehicle to
maintain the correct working temperature.
Checking Coolant
The coolant needs to be replaced at the
appropriate interval. See Maintenance
Schedule 0 289.
The coolant reservoir is in the underbonnet
compartment. See Underhood Compartment
Overview 0 245.
To access the coolant reservoir under the
bonnet, the right side access cover needs to
be removed.
1. Park on a level surface and turn the
vehicle off.
2. Open the bonnet. See Bonnet 0 243.
3. The coolant reservoir is under a cover
and side extension/shield in the
underbonnet compartment. Unclip the
right side of the shield and remove the
right side access cover.
4. After the system has completely cooled,
check that the coolant level in the
reservoir.
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