2004 SATURN ION Owners Manual

Page 249 of 380

SATURN ION 2004  Owners Manual SAE 5W-30
As shown in the viscosity chart, SAE 5W-30 is
best for your vehicle. However, you can use SAE
10W-30 if it is going to be 0°F (-18°C) or above.
These numbers on an oil container show its

Page 250 of 380

SATURN ION 2004  Owners Manual When to Change Engine Oil
(GM Oil Life System)
Your vehicle has a computer system that lets you know
when to change the engine oil and �lter. This is
based on engine revolutions and engine temperature

Page 251 of 380

SATURN ION 2004  Owners Manual After changing the engine oil, reset the system by doing
the following:
1. Press and release the trip/reset button until the
OIL LIFE message is displayed.
2. Then press and hold the trip/reset button

Page 252 of 380

SATURN ION 2004  Owners Manual Engine Air Cleaner/Filter
Engine Air Cleaner/Filter Replacement
When to Inspect the Engine Air
Cleaner/Filter
Inspect the air cleaner/�lter at every oil change and
replace at the �rst oil change after

Page 253 of 380

SATURN ION 2004  Owners Manual How to Inspect the Engine Air
Cleaner/Filter
To inspect the air cleaner/�lter remove the �lter from the
vehicle and lightly shake �lter to release loose dust
and dirt. If the �lter remains “caked”

Page 254 of 380

SATURN ION 2004  Owners Manual 3. Pull the air cleaner/�lter box cover out and remove
the air �lter element from the air �lter box. If the
element is dirty, you should replace it. If the element
is only dusty, it may be cleaned by

Page 255 of 380

SATURN ION 2004  Owners Manual If you do not use your vehicle under any of these
conditions, the �uid and �lter do not require changing.
Notice:For VTi variable transaxles, use only Saturn
Variable Transaxle Fluid. Using any other

Page 256 of 380

SATURN ION 2004  Owners Manual Engine Coolant
The cooling system in your vehicle is �lled with
DEX-COOL®engine coolant. This coolant is designed
to remain in your vehicle for 5 years or 100,000 miles
(166 000 km), whichever occurs