GMC Sierra Denali 2006, Owner'S Manual, Page: 393 / 438

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 4-42.
•
are driven on reasonable road surfaces within legal
driving limits.
•
are driven off-road in the recommended manner.
See Off-Road Driving on page 4-14.
•
use the recommended fuel. See Gasoline Octane
on page 5-4.
The services in Scheduled Maintenance on page 6-4
should be performed when indicated. See Additional
Required Services on page 6-6 and Maintenance
Footnotes on page 6-7 for further information.
{
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 5-4.
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
®
dealer for your
service needs, you will know that GM-trained and
supported service technicians will perform the work
using genuine GM parts.
If you want to purchase service information, see Service
Publications Ordering Information on page 7-15.
6-3