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Cadillac DTS Owner Manual - 2011
First Engine Oil Change After Every
80 000 km/50,000 Miles
.
Engine air cleaner filter replacement. See Engine
Air Cleaner/Filter on page 6‑19.
.
Automatic transmission fluid and filter change
(severe service) for vehicles mainly driven in heavy
city traffic in hot weather, in hilly or mountainous
terrain, when frequently towing a trailer, or used for
taxi, police, or delivery service. See Automatic
Transmission Fluid on page 6‑21.
.
Evaporative control system inspection. Check all
fuel and vapor lines and hoses for proper hook‐up,
routing, and condition. Check that the purge valve,
if the vehicle has one, works properly. Replace as
needed. An Emission Control Service. The U.S.
Environmental Protection Agency or the California
Air Resources Board has determined that the
failure to perform this maintenance item will not
nullify the emission warranty or limit recall liability
prior to the completion of the vehicle's useful life.
We, however, urge that all recommended
maintenance services be performed at the
indicated intervals and the maintenance be
recorded.
First Engine Oil Change After Every
160 000 km/100,000 Miles
.
Automatic transmission fluid and filter change
(normal service). See Automatic Transmission
Fluid on page 6‑21.
.
Spark plug replacement and spark plug wires
inspection. An Emission Control Service.
First Engine Oil Change After Every
240 000 km/150,000 Miles
.
Engine cooling system drain, flush, and refill
(or every five years, whichever occurs first). See
Engine Coolant
on page 6‑26
. An Emission
Control Service.
.
Engine drive belts inspection for fraying, excessive
cracks, or obvious damage (or every 10 years,
whichever occurs first). Replace, if needed.
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