1999 Oldsmobile Alero Owner's Manual - Page 80
1999 Oldsmobile Alero Manual
Page 80 highlights
yellowblue Engine Coolant Heater (If Equipped) 3400 V6 Engine 2.4L L4 Engine In very cold weather, 0_F (-18_C) or colder, the engine coolant heater can help. You'll get easier starting and better fuel economy during engine warm-up. Usually, the coolant heater should be plugged in a minimum of four hours prior to starting your vehicle. 2-20
yellow
blue
2-20
Engine Coolant Heater (If Equipped)
2.4L L4 Engine
3400 V6 Engine
In very cold weather, 0
F (
-
18
C) or colder, the engine
coolant heater can help. You’ll get easier starting and
better fuel economy during engine warm
-
up. Usually,
the coolant heater should be plugged in a minimum of
four hours prior to starting your vehicle.