Engine Coolant Temperature Warning Light; Engine Coolant Temperature Gage - Buick 2009 Lucerne Owner's Manual

Engine Coolant Temperature
Warning Light
If it does not, have the vehicle serviced by the
dealer/retailer. If the system is working normally the
indicator light goes off.
Notice: Driving with the engine coolant temperature
warning light on could cause the vehicle to overheat.
See Engine Overheating on page 5-36. The vehicle's
engine could be damaged, and it might not be
covered by the vehicle warranty. Never drive with the
engine coolant temperature warning light on.
The engine coolant temperature warning light comes on
when the engine has overheated.
If this happens pull over and turn off the engine as soon
as possible. See Engine Overheating on page 5-36
for more information.
3-44
This light comes on briefly
while starting the vehicle.

Engine Coolant Temperature Gage

United States
This gage shows the engine coolant temperature. If the
pointer moves towards the H (United States) or shaded in
thermostat symbol area (Canada), the engine is too hot.
A temperature indicator light will turn on and a chime
will sound.
If the vehicle has been operating under normal driving
conditions, and the temperature indicator light comes on,
pull off the road, stop the vehicle and turn off the
engine as soon as possible.
Canada