Buick 2010 Lacrosse - Manual (Page 121)

Instruments and Controls 4-35
Engine Cooling System
Messages
A/C Off Due to High
Engine Temp
This message displays when
the engine coolant becomes
hotter than the normal operating
temperature. To avoid added strain
on a hot engine, the air conditioning
compressor automatically turns off.
When the coolant temperature
returns to normal, the air
conditioning compressor turns
back on. You can continue to
drive the vehicle.
If this message continues to appear,
have the system repaired by your
dealer/retailer as soon as possible
to avoid damage to the engine.
Coolant Level Low Add
Coolant
This message will display if the
coolant is low, see Engine Coolant
on page 9‑18.
Engine Overheated — Idle
Engine
This message displays when the
engine coolant temperature is too
hot. Stop and allow the vehicle to
idle until it cools down.
Engine Overheated — Stop
Engine
This message displays and a
continuous chime sounds if the
engine cooling system reaches
unsafe temperatures for operation.
Stop and turn off the vehicle as
soon as it is safe to do so to avoid
severe damage. This message
clears when the engine has cooled
to a safe operating temperature.
High Coolant Temperature
This message displays if the coolant
temperature is hot, see Engine
Overheating on page 9‑21.
Engine Oil Messages
Change Engine Oil Soon
This message displays when the
engine oil needs to be changed.
When you change the engine oil, be
sure to reset the Oil Life System.
See Engine Oil Life System on
page 9‑13 and Driver Information
Center (DIC) on page 4‑25 for
information on how to reset the
system. See Engine Oil on
page 9‑11 and Scheduled
Maintenance on page 10‑2 for
more information.
Engine Oil Hot, Idle Engine
This message displays when the
engine oil temperature is too hot.
Stop and allow the vehicle to idle
until it cools down.
Engine Oil Low – Add Oil
This message displays when the
engine oil level is too low. Check
the oil level. See Engine Oil on
page 9‑11.