GMC 2003 Envoy - Manual (Page 405)

Part A: Scheduled Maintenance
Services
This part ccntgins engine ail! scheduled maíñíenance
which explains the engine oil lifa system and how
it Indicates when to change the engine oil and filter.
Also, listed are scheduled maintenance sen;ices whsch
are lo he performed at the mileage intervals specihedn
Using Your Maintenance Schedule
We at General Motors want lo help you keep your
vehicle In good wediing condilicn. Bui we don'l know
exactly how you’tl drive it. You may drive very short
distances only a few times a week. Or you may drive
long dfsiances all toe time in very hat, dusly weather.
You may use your vehide in making deliveries.
Or you rrtay drive it lo work, to do errands or in many
other ways.
Because of all Ihe ditferenl ways people uso their
vehicles^ mair^lenarHie needs vary You may need more
frequent checks and replacements. So please read
the following and hole how you drive. Ii you have any
questions on how to keep your vehicle In good eon dilion,
see your dealer.
This pad tells you the mainleriaTice services you should
have done and when you should schedule them
When you qo to your dealer far your service neetfs^
you'll know lhat GM-lrained and suppoded service
peapta will perform the work using genuine GM parts.
The proper Du ids and lubricants to use are listed in
Part D. Make sure whoever services your vehrde uses
these. All parts should be replaced and all necessary
repairs done before you or anyone else drives the
vchccle.
This schedule is tor vehicles that:
■ carry passengers and cargo within necommendecí
limits. You wtH find these limits on your vehicle's
Cortification/Tire label. See
Loading Your 1/eri/cfe on
page 4’-4B.
* are driven on reasonable read surfaces within legal
driving timiia.
* are driven off-road in Ihe recommanded manner.
See Off-Fto^d Driving WJ'ib Your Faur-wnBei-Drive
Veiiicie on page 4-15.
■ use the rer;ijmmended fuel. See Gasofina Or:faoe
m page 5-5.
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