Cadillac 2009 DTS, Owner'S Manual

Page: 414 / 462

Additional Required Services (cont’d)
Service and Miles (Kilometers)
25,000
(40 000)
50,000
(80 000)
75,000
(120 000)
100,000
(160 000)
125,000
(200 000)
150,000
(240 000)
Replace spark plugs. An Emission
Control Service.
•
Except Professional Vehicle: Engine
cooling system service (or every
five years, whichever occurs first).
An Emission Control Service.
See footnote (j).
•
Professional Vehicle Only: Engine
cooling system service (or every
five years, whichever occurs first).
An Emission Control Service.
See footnote (j).
• •
Inspect engine accessory drive belt.
An Emission Control Service.
See footnote (l).
•
6-6