Cadillac 2010 DTS Owner's Manual page 435

Once a Year
•
Starter switch check. See Owner Checks and
Services on page 7-6.
•
Parking brake and automatic transmission P (Park)
mechanism check. See Owner Checks and
Services on page 7-6.
•
Automatic transmission shiftlock control system
check. See Owner Checks and Services on
page 7-6.
•
Ignition transmission lock check. See Owner
Checks and Services on page 7-6.
•
Engine cooling system and pressure cap pressure
check. Radiator and air conditioning condenser
outside cleaning. See Cooling System on page 6-22.
•
Exhaust system and nearby heat shields inspection
for loose or damaged components.
•
Accelerator pedal check for damage, high effort, or
binding. Replace if needed.
First Engine Oil Change After Every
40 000 km/25,000 Miles
•
Fuel system inspection for damage or leaks.
•
Passenger compartment air filter replacement
(or every 12 months, whichever occurs first). More
frequent replacement may be required if vehicle
is driven regularly under dusty conditions.
First Engine Oil Change After Every
80 000 km/50,000 Miles
•
Engine air cleaner filter replacement. See Engine
Air Cleaner/Filter on page 6-17.
•
Automatic transmission fluid and filter change
(severe service) for vehicles mainly driven in heavy
city traffic in hot weather, in hilly or mountainous
terrain, when frequently towing a trailer, or used for
taxi, police, or delivery service. See Automatic
Transmission Fluid on page 6-19.
7-5