If the engine oil life system is ever reset
accidentally, you must service your vehicle within
3,000 miles (5 000 km) since your last service.
Remember to reset the oil life system whenever
the oil is changed. See
Engine Oil Life System
on page 398
for information on the Engine Oil Life
System and resetting the system.
When the change engine oil light or CHANGE
ENGINE OIL DIC message appears, certain
services, checks, and inspections are required.
Required services are described in the following
for “Maintenance
I
” and “Maintenance
II
.”
Generally, it is recommended that your first
service be Maintenance
I
, your second service
be Maintenance
II
, and that you alternate
Maintenance
I
and Maintenance
II
thereafter.
However, in some cases, Maintenance
II
may
be required more often.
Maintenance
I
— Use Maintenance
I
if the light
or message comes on within 10 months since
the vehicle was purchased or Maintenance
II
was
performed.
Maintenance
II
— Use Maintenance
II
if the
previous service performed was Maintenance
I
.
Always use Maintenance
II
whenever the light
or message comes on 10 months or more since
the last service or if the light or message has
not come on at all for one year.
508
Summary of Contents for 2007 Envoy Denali
Page 6: ...These are some examples of symbols that may be found on the vehicle 6 ...
Page 92: ... NOTES 92 ...
Page 167: ... NOTES 167 ...
Page 168: ...Instrument Panel Overview 168 ...
Page 376: ... NOTES 376 ...
Page 392: ...When you open the hood on the 5 3L V8 engine here is what you will see 392 ...
Page 520: ...Engine Drive Belt Routing 4 2L V6 Engine 5 3L V8 Engine 520 ...