User Manual - Page 310

For 2003 ALERO.

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50,000
Miles (83
000
km)
0
Change automatic transaxle fluid and filter
if
the
vehicle is mainly driven under one or more of
these conditions:
-
In heavy city traffic where the outside
temperature regularly reaches
90°F
(32°C)
or
higher.
-
In hilly or mountainous terrain.
-
When doing frequent trailer towing.
-
Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, the fluid and filter do not require changing.
52,500 Miles (87
500
km)
c3
Rotate tires. See
Tire Inspection and Rotation on
page
5-55
for proper rotation pattern and additional
information.
(See footnote
+.)
60,000
Miles
(100
000
km)
0
Rotate tires. See
Tire Inspection and Rotation on
page
5-55
for proper rotation pattern and additional
information.
(See footnote
+.)
0
Replace engine air cleaner filter.
An Emission
Control Service.
67,500
Miles (1 12
500
km)
0
Rotate tires. See
Tire Inspection and Rotation on
page
5-55
for proper rotation pattern and additional
information.
(See footnote
+.)
75,000 Miles (125
000
km)
LI
Inspect engine air cleaner filter
if
you are driving in
dusty conditions. Replace filter
if
necessary.
An
Emission Control Service. (See footnote
f.)
0
Rotate tires. See
Tire Inspection and Rotation on
page
5-55
for proper rotation pattern and additional
information.
(See footnote
+.)
U
Rotate tires. See
Tire Inspection and Rotation on
page
5-55
for proper rotation pattern and additional
information.
(See footnote
+.)
6-7
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