service CADILLAC DTS 2010 1.G Owners Manual

Maintenance Schedule
Introduction
Notice:Maintenance intervals, checks, inspections,recommended fluids, and lubricants are necessaryto keep this vehicle in good working condition.Damage caused by failure to follow scheduledmaintenance might not be covered by thevehicle warranty.
Proper vehicle maintenance helps to keep the vehicle ingood working condition, improves fuel economy, andreduces vehicle emissions for better air quality.
Because of all the different ways people use vehicles,maintenance needs vary. The vehicle might needmore frequent checks and services. Please read theinformation under Scheduled Maintenance. To keep thevehicle in good condition, see your dealer/retailer.
The maintenance schedule is for vehicles that:
•carry passengers and cargo within recommended
limits on the Tire and Loading Information label.SeeLoading the Vehicle on page 5-18.
•are driven on reasonable road surfaces within legal
driving limits.
•use the recommended fuel. SeeGasoline Octane
on page 6-5.
{WARNING:
Performing maintenance work on a vehicle can be
dangerous. In trying to do some jobs, you can be
seriously injured. Do your own maintenance work
only if you have the required know-how and the
proper tools and equipment for the job. If you have
any doubt, see your dealer/retailer to have a
qualified technician do the work. SeeDoing Your
Own Service Work on page 6-4.
At your General Motors dealer/retailer, you can becertain that you will receive the highest level of serviceavailable. Your dealer /retailer has specially trainedservice technicians, uses genuine GM replacementparts, as well as, up to date tools and equipmentto ensure fast and accurate diagnostics.
The proper replacement parts, fluids, and lubricants touse are listed inRecommended Fluids and Lubricantson page 7-8andMaintenance Replacement Partson page 7-10. We recommend the use of genuine partsfrom your dealer/retailer.
7-2

Rotation of New Tires
To maintain ride, handling, and performance of thevehicle, it is important that the first rotation service fornew tires be performed when they have 8 000 to13 000 km (5,000 to 8,000 miles). SeeTire Inspectionand Rotation on page 6-62.
Scheduled Maintenance
When the Change Engine Oil Soon
Message Displays
Change engine oil and filter. SeeEngine Oil onpage 6-13.An Emission Control Service.
When the Change Engine Oil Soon message displays,service is required for the vehicle as soon as possible,within the next 1 000 km/600 miles. If driving underthe best conditions, the engine oil life system might notindicate the need for vehicle service for more than ayear. The engine oil and filter must be changed at leastonce a year and the oil life system must be reset.Your dealer/retailer has trained service technicians whowill perform this work and reset the system.
If the engine oil life system is reset accidentally, servicethe vehicle within 5 000 km/3,000 miles since the lastservice. Reset the oil life system whenever the oilis changed. SeeEngine Oil Life System on page 6-16.
When the Change Engine Oil Soon message displays,certain services, checks, and inspections are required.
Every Engine Oil Change
•Change engine oil and filter. SeeEngine Oil on
page 6-13.An Emission Control Service.
•Engine coolant level check. SeeEngine Coolant on
page 6-23.
•Windshield washer fluid level check. SeeWindshield
Washer Fluid on page 6-31.
•Tire inflation check. SeeInflation - Tire Pressure on
page 6-54.
•Tire wear inspection. SeeTire Inspection and
Rotation on page 6-62.
•Rotate tires. SeeTire Inspection and Rotation on
page 6-62.
7-3

•Fluids visual leak check (or every 12 months,
whichever occurs first). A leak in any system mustbe repaired and the fluid level checked.
•Engine air cleaner filter inspection. SeeEngine Air
Cleaner/Filter on page 6-17.
•Brake system inspection (or every 12 months,
whichever occurs first).
•Steering and suspension inspection. Visual
inspection for damaged, loose, or missing parts orsigns of wear.
•Engine cooling system inspection. Visual inspection
of hoses, pipes, fittings, and clamps andreplacement, if needed.
•Windshield wiper blade inspection for wear,
cracking, or contamination and windshield and wiperblade cleaning, if contaminated. SeeWindshieldand Wiper Blades on page 6-97. Worn or damagedwiper blade replacement. SeeWindshield WiperBlade Replacement on page 6-44.
•Body hinges and latches, key lock cylinders,
console hinges, and glove box door hingeslubrication. SeeRecommended Fluids andLubricants on page 7-8. More frequent lubricationmay be required when vehicle is exposed to acorrosive environment.
Applying silicone grease on weatherstrips with aclean cloth makes them last longer, seal better, andnot stick or squeak.
•Restraint system component check. SeeChecking
the Restraint Systems on page 2-74.
•Automatic transmission fluid level check and adding
fluid, if needed. SeeAutomatic Transmission Fluidon page 6-19.
Additional Required Services
At Each Fuel Stop
•Engine oil level check. SeeEngine Oil on
page 6-13.
•Engine coolant level check. SeeEngine Coolant on
page 6-23.
•Windshield washer fluid level check. SeeWindshield
Washer Fluid on page 6-31.
Once a Month
•Tire inflation check. SeeInflation - Tire Pressure on
page 6-54.
•Tire wear inspection. SeeTire Inspection and
Rotation on page 6-62.
7-4

Once a Year
•Starter switch check. SeeOwner Checks and
Services on page 7-6.
•Parking brake and automatic transmission P (Park)
mechanism check. SeeOwner Checks andServices on page 7-6.
•Automatic transmission shiftlock control system
check. SeeOwner Checks and Services onpage 7-6.
•Ignition transmission lock check. SeeOwner
Checks and Services on page 7-6.
•Engine cooling system and pressure cap pressure
check. Radiator and air conditioning condenseroutside cleaning. SeeCooling 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). Morefrequent replacement may be required if vehicleis driven regularly under dusty conditions.
First Engine Oil Change After Every
80 000 km/50,000 Miles
•Engine air cleaner filter replacement. SeeEngine
Air Cleaner/Filter on page 6-17.
•Automatic transmission fluid and filter change
(severe service) for vehicles mainly driven in heavycity traffic in hot weather, in hilly or mountainousterrain, when frequently towing a trailer, or used fortaxi, police, or delivery service. SeeAutomaticTransmission Fluid on page 6-19.
7-5

First Engine Oil Change After Every
120 000 km/75,000 Miles
•Professional Vehicle Only: Engine cooling system
drain, flush, and refill, cooling system and cappressure check, and cleaning of outside of radiatorand air conditioning condenser (or every 5 years,whichever occurs first). SeeEngine Coolanton page 6-23.An Emission Control Service.
First Engine Oil Change After Every
160 000 km/100,000 Miles
•Automatic transmission fluid and filter change
(normal service). SeeAutomatic Transmission Fluidon page 6-19.
•Spark plug replacement.An Emission Control
Service.
First Engine Oil Change After Every
240 000 km/150,000 Miles
•Except Professional Vehicle: Engine cooling system
drain, flush, and refill, cooling system and cappressure check, and cleaning of outside of radiatorand air conditioning condenser (or every 5 years,whichever occurs first). SeeEngine Coolanton page 6-23.An Emission Control Service.
•Engine accessory drive belt inspection for fraying,
excessive cracks, or obvious damage andreplacement, if needed.An Emission ControlService.
Owner Checks and Services
Starter Switch Check
{WARNING:
When you are doing this inspection, the vehicle
could move suddenly. If the vehicle moves, you or
others could be injured.
1. Before starting this check, be sure there is enoughroom around the vehicle.
2. Firmly apply both the parking brake and the regularbrake. SeeParking Brake on page 3-30.
Do not use the accelerator pedal, and be ready toturn off the engine immediately if it starts.
3. Try to start the engine in each gear. The vehicleshould start only in P (Park) or N (Neutral). If thevehicle starts in any other position, contactyour dealer/retailer for service.
7-6

Automatic Transmission Shift Lock
Control System Check
{WARNING:
When you are doing this inspection, the vehicle
could move suddenly. If the vehicle moves, you or
others could be injured.
1. Before starting this check, be sure there is enoughroom around the vehicle. It should be parked on alevel surface.
2. Firmly apply the parking brake. SeeParking Brakeon page 3-30.
Be ready to apply the regular brake immediately ifthe vehicle begins to move.
3. With the engine off, turn the ignition to ON/RUN,but do not start the engine. Without applying theregular brake, try to move the shift lever outof P (Park) with normal effort. If the shift levermoves out of P (Park), contact your dealer/retailerfor service.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turnthe ignition to LOCK/OFF in each shift lever position.
•The ignition should turn to LOCK/OFF only
when the shift lever is in P (Park).
•The ignition key should come out only
in LOCK/OFF.
Contact your dealer/retailer if service is required.
7-7

Parking Brake and Automatic
Transmission P (Park)
Mechanism Check
{WARNING:
When you are doing this check, the vehicle could
begin to move. You or others could be injured and
property could be damaged. Make sure there is
room in front of the vehicle in case it begins to roll.
Be ready to apply the regular brake at once
should the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facingdownhill. Keeping your foot on the regular brake, set theparking brake.
•To check the parking brake’s holding ability:
With the engine running and the transmissionin N (Neutral), slowly remove foot pressure from theregular brake pedal. Do this until the vehicle isheld by the parking brake only.
•To check the P (Park) mechanism’s holding ability:
With the engine running, shift to P (Park). Thenrelease the parking brake followed by theregular brake.
Contact your dealer/retailer if service is required.
Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, partnumber, or specification can be obtained from yourdealer/retailer.
UsageFluid/Lubricant
Engine Oil
The engine requires a specialengine oil meeting GM StandardGM4718M. Oils meeting thisstandard can be identified assynthetic, and should also beidentified with the AmericanPetroleum Institute (API) Certifiedfor Gasoline Engines starburstsymbol. However, not all syntheticAPI oils with the starburst symbolwill meet this GM standard. Look forand use only oil that meets GMStandard GM4718M. For the properviscosity, seeEngine Oil onpage 6-13.
Engine Coolant
50/50 mixture of clean, drinkablewater and use only DEX-COOL®
Coolant. SeeEngine Coolant onpage 6-23.
Hydraulic BrakeSystem
DOT 3 Hydraulic Brake Fluid(GM Part No. U.S. 88862806, inCanada 88862807).
7-8

Maintenance Record
After the scheduled services are performed, record the date, odometer reading, who performed the service, and thetype of services performed in the boxes provided. Retain all maintenance receipts.
Maintenance Record
DateOdometerReadingServiced By Maintenance StampServices Performed
7-12

Maintenance Record (cont’d)
DateOdometerReadingServiced By Maintenance StampServices Performed
7-13

Maintenance Record (cont’d)
DateOdometerReadingServiced By Maintenance StampServices Performed
7-14