Fuel economy is not a fixed number.
It varies based on driving conditions,
driving habits and vehicle condition.
Therefore, it is not possible for one
set of estimates to predict fuel
economy
The following factors can lower your
vehicle’s fuel economy:
Aggressive driving (hard acceleration and braking)
Excessive idling, accelerating and braking in stop-and-go traffic
Cold engine ope
Vehicle Maintenance
A properly maintained vehicle
maximizes fuel economy. Poor
maintenance can significantly reduce
fuel economy. Always maintain your
vehicle according to the maintenance
m
1. Disconnect audio disc changer 13P connector.
2. Turn the ignition switch to ACC (I).
3. Operate the XM radio, and check the display.
Is XM information displayed? YES-Replace the audio disc changer.
NO-Go to step 4.
4. Check the No. 34 (7.5 A) fuse in the under-dash
fuse/relay box and the No.
NOTE: Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the general troubleshooting information.
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs with the HDS.
Is DTC U0028 indicated? YES-Update the PCM i