Pontiac Grand Prix 2007 Owner's Manual page 212

KEY FOB BATTERY LOW
This message displays when the battery in the
Remote Keyless Entry (RKE) transmitter needs to
be replaced. To replace the battery, see "Battery
Replacement" under Remote Keyless Entry (RKE)
System Operation on page 87.
This message displays while the ignition is in
RUN. A chime sounds for two seconds when
this message is displayed. Press the set/reset
button to acknowledge this message and to clear
it from the screen.
212
This symbol comes on
with this message.
This message continues to display if it has not
been acknowledged when the engine is turned
off. It also re-displays for three seconds if
the message has been acknowledged, but the
condition still exists when the engine is turned off.
The message re-appears when the engine is
turned on and the condition still exists.
KEY IN IGNITION
This message displays and a chime sounds
continuously when the driver exits the vehicle
while the key is in the ignition after the engine
is turned off.
This message cannot be acknowledged.
This message disappears and the chiming stops
when the key is removed from the ignition.