Cadillac 2007 XLR Owner's Manual page 466

Maintenance I — Use Maintenance I if the
CHANGE OIL NOW message comes on within
10 months since the vehicle was purchased
or Maintenance II was performed.
Change engine oil and filter. See Engine Oil on page 377. Reset oil life system.
See Engine Oil Life System on page 380. An Emission Control Service.
Visually check for any leaks or damage. See footnote (a).
Inspect engine air cleaner filter. If necessary, replace filter. See Engine Air
Cleaner/Filter on page 382. See footnote (h).
Check engine coolant and windshield washer fluid levels. If you have the 4.4L
V8 supercharged engine, check intercooler fluid level. Add fluid as needed.
Perform any needed additional services. See "Additional Required Services" in
this section.
Inspect wiper blades. See footnote (b).
Inspect restraint system components. See footnote (c).
Lubricate body components. See footnote (d).
Replace passenger compartment air filter. See footnote (e).
466
Maintenance II — Use Maintenance II if the
previous service performed was Maintenance I.
Always use Maintenance II whenever the message
comes on 10 months or more since the last
service or if the message has not come on at all
for one year.
Scheduled Maintenance
Service Maintenance I Maintenance II