GMC Sierra Classic 2007 Owner's Manual page 612

This schedule is for vehicles that:
•
carry passengers and cargo within
recommended limits. You will find these limits
on the Tire and Loading Information label.
See Loading Your Vehicle on page 403.
•
are driven on reasonable road surfaces within
legal driving limits.
•
are driven off-road in the recommended
manner. See Off-Road Driving on page 366.
•
use the recommended fuel. See Gasoline
Octane on page 466.
The services in Scheduled Maintenance (Gasoline
Engine) on page 613 should be performed
when indicated. See Additional Required Services
(Gasoline Engine) on page 617 and Maintenance
Footnotes (Gasoline Engine) on page 619 for
further information.
612
CAUTION:
{
Performing maintenance work on a
vehicle can be dangerous. In trying to do
some jobs, you can be seriously injured.
Do your own maintenance work only if
you have the required know-how and the
proper tools and equipment for the job. If
you have any doubt, see your GM
®
Goodwrench dealer to have a qualified
technician do the work. See Doing Your
Own Service Work on page 465.
Some maintenance services can be complex. So,
unless you are technically qualified and have
the necessary equipment, you should have your
®
GM Goodwrench dealer do these jobs.
When you go to your GM Goodwrench
your service needs, you will know that GM-trained
and supported service technicians will perform
the work using genuine GM parts.
®
dealer for