Buick Envista 2025 - Engine Overheating

Buick Envista Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-18181221) - 2025
Vehicle Care 201
If the coolant still is not at the proper level
w
hen the system cools down again, see
your dealer.
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.
Engine Overheating
T
he vehicle has an indicator to warn of
the engine overheating. See Engine Coolant
Temperature Warning Light 394.
If the decision is made not to lift the hood when
this warning appears, get service help right
away. See Roadside Assistance Program 3 266.
If the decision is made to lift the hood, make
sure the vehicle is parked on alevel surface.
Then check to see if the engine cooling fan is
running. If the engine is overheating, the fan
should be running. If it is not, do not continue
to run the engine. Have the vehicle serviced.
Caution
Do not run the engine if there is aleak in
the engine cooling system. This can cause
aloss of all coolant and can damage the
system and vehicle. Have any leaks fixed
right away.
If Steam Is Coming from the
E
ngine Compartment
{ W
arning
Steam and scalding liquids from ahot
c
ooling system are under pressure. Turning
the pressure cap, even alittle, can cause
them to come out at high speed and you
could be burned. Never turn the cap when
the cooling system, including the pressure
cap, is hot. Wait for the cooling system and
pressure cap to cool.
If No Steam Is Coming from the
E
ngine Compartment
If an engine overheat warning is displayed but
no steam can be seen or heard, the problem
may not be too serious. Sometimes the engine
can get alittle too hot when the vehicle:
•
Climbs along hill on ahot day
•
Stops after high-speed driving
•
Idles for long periods in traffic
If the overheat warning is displayed with no
sign of steam:
1. Turn the air conditioning off.
2. Turn the heater on to the highest
temperature and to the highest fan speed.
Open the windows as necessary.
3. When it is safe to do so, pull off the
road, shift to P (Park) or N (Neutral) for
an automatic transmission and let the
engine idle.
If the overheat warning no longer displays, the
vehicle can be driven. Continue to drive the
vehicle slowly for about 10 minutes. Keep a safe
vehicle distance from the vehicle in front. If the