The following items must be initialized for normal system operation after such cases as the battery being reconnected, or maintenance being performed on the vehicle:

Customization
For ownersOperating a bluetooth® enabled portable player
Power
Volume
Search playback
Next commands, random play
or back button
Repeat play
Fast-forwarding, rewinding or
selecting an album
Changing the audio source/
playback
Playback/pause
Previous commands
Selecting a track
Displaying text message
Selecting an album
P ...
Freeze frame data
Description
Freeze frame data records the engine conditions (fuel
system, calculated load, engine coolant temperature,
fuel trim, engine speed, vehicle speed, etc.) When a
malfunction is detected. When troubleshooting, it can
help determine if the vehicle was running or stopped, the
engin ...
System voltage
Description
The battery supplies electricity to the ecm even when the ignition switch is
in the off position. This
power allows the ecm to store data such as dtc history, freeze frame data and
fuel trim values. If the
battery voltage falls below a minimum level, the memory is cleared and ...