Note: If prediluted coolant is not available,
use the approved concentrated coolant
diluting it to 50/50 with deionised or distilled
water. See Coolant (page 396). Using water
that has not been deionised may contribute
to deposit formation, corrosion and plugging
of the small cooling system passageways.
Note: Coolants marketed for all makes and
models may not be approved to our
specifications and may cause damage to
the cooling system. Resulting component
damage may not be covered by the vehicle
Warranty.
If the coolant level is at or below the
minimum mark, add prediluted coolant
immediately.
To top up the coolant level do the following:
1. Unscrew the cap slowly. Any pressure
escapes as you unscrew the cap.
2. Add prediluted coolant approved to the
correct specification. See Coolant (page
396).
3. Add enough prediluted coolant to reach
the correct level.
4. Replace the coolant reservoir cap. Turn
the cap clockwise until it contacts the
hard stop.
5. Check the coolant level in the coolant
reservoir the next few times you drive
your vehicle. If necessary, add enough
prediluted engine coolant to bring the
coolant level to the correct level.
If you have to add more than 1.1 qt (1 L) of
engine coolant per month, have your vehicle
checked as soon as possible. Operating an
engine with a low level of coolant can result
in engine overheating and possible engine
damage.
In case of emergency, you can add a large
amount of water without engine coolant in
order to reach a vehicle service location.
Water alone, without engine coolant, can
cause engine damage from corrosion,
overheating or freezing.
Do not use the following as a coolant
substitute:
• Alcohol.
• Methanol.
• Brine.
• Any coolant mixed with alcohol or
methanol antifreeze.
Alcohol and other liquids can cause engine
damage from overheating or freezing.
Do not add extra inhibitors or additives to
the coolant. These can be harmful and
compromise the corrosion protection of the
coolant.
CHANGING THE COOLANT
For coolant change, see your authorized
dealer.
Changing the coolant is necessary at specific
mileage intervals listed in the scheduled
maintenance information. See Scheduled
Maintenance (page 502).
395
Nautilus (CFG) Canada/Mexico/United States of America, enUSA, Edition date: 202405, DOM
Maintenance
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