The services shown in this schedule up to 48 000 miles (80 000 km) should be performed after 48 000 miles at the same
intervals.
*
An Emission Control Service.
The U.S. Environmental Protection Agency has determined that the failure
to
perform this maintenance item will not nullify the emission warranty or limit recall liability prior
to
the completion of
vehicle useful life. General Motors, however, urges that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded in "Section EMaintenance