Chevrolet 2001 Impala Owner's Manual page 160

Battery Life Indicator
If the message is displayed when the engine is running,
you may have a problem with your charging system. If
there is a problem with the charging system, four chimes
will sound when the message comes on. The battery
display will also stay on while the key is in ON until the
engine is started.
If the message stays on after starting the engine it
could indicate a problem with the generator drive belt,
or some other charging system problem. Have it
checked right away. Driving with this message on
could drain your battery.
If you must drive a short distance with this message
displayed, it helps to turn off all your accessories.
2-90
When the vehicle is started
this message will be
displayed for three seconds.
Hot Coolant Temp
United States
This message is displayed when the cooling system
temperature gets hot. A chime will sound
continuously, also.
Check the coolant temperature gage and the coolant
level. See "Engine Coolant," "Engine Coolant
Temperature Gage" and "Engine Overheating" in the
Index for further information.
Canada