Engine Air Cleaner/Filter - Cadillac DTS 2011 Owner's Manual

How to Reset the Engine Oil Life
System
Reset the system whenever the engine oil is changed
so that the system can calculate the next engine oil
change. To reset the system:
1. Turn the ignition to ON/RUN, with the engine off.
2. Press the DIC INFO button until OIL LIFE
REMAINING displays. See DIC Operation and
Displays on page 4 60.
3. Press and hold the DIC INFO RESET button until
100% displays.
4. Turn the key to LOCK/OFF.
If the CHANGE ENGINE OIL SOON message comes
back on when the vehicle is started, the engine oil life
system has not been reset. Repeat the procedure.

Engine Air Cleaner/Filter

See Engine Compartment Overview on page 6 14 for
the location of the engine air cleaner/filter.
When to Inspect the Engine Air
Cleaner/Filter
Inspect the air cleaner/filter at the scheduled
maintenance intervals and replace it at the first oil
change after each 50,000 mile (80 000 km) interval.
See Scheduled Maintenance on page 7 3 for more
information. If you are driving in dusty/dirty conditions,
inspect the filter at each engine oil change.
How to Inspect the Engine Air
Cleaner/Filter
To inspect the air cleaner/filter, remove the filter from
the vehicle and lightly shake the filter to release loose
dust and dirt. If the filter remains caked with dirt, a new
filter is required.
6-19