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 E:Maintenance Record".