Cadillac 2016 ATS Manual page 326

Engine air cleaner filter
replacement or every 20 000 km/
12,500 Miles. See Engine Air
Cleaner/Filter 0 258. If driving in
dusty conditions, inspect the
filter at each oil change or more
often as needed.
Every 40 000 km/25,000 Miles
Passenger compartment air filter
replacement (or every
24 months, whichever occurs
first). More frequent replacement
may be needed if you drive in
areas with heavy traffic, areas
with poor air quality, or areas
with high dust levels.
Replacement may also be
needed if you notice reduced air
flow, windows fogging up,
or odors. Your dealer can help
you determine when it is the
right time to replace the filter.
Every 72 000 km/45,000 Miles
Replace brake fluid (or every
three years, whichever occurs
first).
Rear axle fluid (If equipped with
limited slip).
Every 80 000 km/50,000 Miles
Evaporative control system
inspection. Check all fuel and
vapor lines and hoses for proper
hook-up, routing, and condition.
Every 100 000 km/60,000 Miles
(2.0L Turbo and 3.6L Twin Turbo
Engines)
Spark plug replacement and
spark plug wire inspection. An
Emission Control Service.
Every 160 000 km/100,000 Miles
(2.5L and 3.6L Engines)
Spark plug replacement and
spark plug wire inspection. An
Emission Control Service.
Every 240 000 km/150,000 Miles
Engine cooling system drain and
refill (or every five years,
whichever occurs first). See
Cooling System (Engine) 0 259
or Cooling System (Intercooler)
0 261. An Emission Control
Service.
Service and Maintenance
Engine drive belts inspection for
fraying, excessive cracks,
or obvious damage (or every
10 years, whichever occurs
first). Replace, if needed.
Severe Conditions Requiring
More Frequent Maintenance*
Public service, military,
or commercial use vehicles to
include the following:
Ambulances, police cars and
emergency rescue vehicles.
Civilian vehicles such as light
duty pick-up trucks, SUVs and
passenger cars that are used
in military applications.
Recovery vehicles such as
tow trucks and flatbed single
vehicle carriers or any vehicle
that is consistently used in
towing trailers or other loads.
High use commercial vehicles
such as courier delivery
vehicles, private security patrol
vehicles or any vehicles that
operate on a 24 hour basis.
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