When to Inspect the Engine Air Cleaner/Filter
Inspect the air cleaner/filter at the scheduled maintenance intervals and replace it at the first oil change after each 80 000 km (50,000 mile) interval. See Maintenance Schedule, for more information.
If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change.
See also:
Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread
shoulder and maximum section width. For example: ...
Vehicle Overview
Cadillac stepped into rear-wheel-drive territory with its STS sedan, which
replaced the front-wheel-drive Seville for 2005. Built on a Sigma-based
architecture, like the company's smaller CTS seda ...
Total Weight on the Vehicle's Tires
Be sure the vehicle's tires are inflated to the upper limit for cold tires.
These numbers can be found on the Certification label or see Vehicle Load
Limits for more information. Make sure not to go ...