2009 Cadillac DTS Owners Manual PDF | Page 419

Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake,
set the parking brake.
? To check the parking brake?s holding ability:
With the engine running and the transmission
in N (Neutral), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle
is held by the parking brake only.
? To check the P (Park) mechanism?s holding ability:
With the engine running, shift to P (Park). Then
release the parking brake followed by the regular
brake.
Contact your dealer/retailer if service is required.
Underbody Flushing Service
At least every spring, use plain water to ?ush any
corrosive materials from the underbody. Take care
to clean thoroughly any areas where mud and other
debris can collect.
Recommended Fluids and
Lubricants
Fluids and lubricants identi?ed below by name, part
number, or speci?cation can be obtained from your
dealer/retailer.
Usage Fluid/Lubricant
Engine Oil
The engine requires a special
engine oil meeting GM Standard
GM4718M. Oils meeting this
standard can be identi?ed as
synthetic, and should also be
identi?ed with the American
Petroleum Institute (API) Certi?ed
for Gasoline Engines starburst
symbol. However, not all synthetic
API oils with the starburst symbol
will meet this GM standard.
Look for and use only oil that meets
GM Standard GM4718M. For the
proper viscosity, see Engine Oil
on page 5-13.
Engine Coolant
50/50 mixture of clean, drinkable
water and use only DEX-COOL
Coolant. See Engine Coolant on
page 5-23.
6-11

2009 Cadillac DTS Owners Manual Summary of Content

Park on a fairly steep hill, with the vehicle facingdownhill. Keeping your foot on the regular brake,set the parking brake. To check the parking brakes holding ability:With the engine running and the transmissionin N (Neutral), slowly remove foot pressure fromthe regular brake pedal. Do this until the vehicleis held by the parking brake only. To check the P (Park) mechanisms holding ability:With the engine running, shift to P (Park). Thenrelease the parking brake followed by the regularbrake.Contact your dealer/retailer if service is required.Underbody Flushing ServiceAt least every spring, use plain water to ush anycorrosive materials from the underbody. Take careto clean thoroughly any areas where mud and otherdebris can collect.Recommended Fluids andLubricantsFluids and lubricants identied below by name, partnumber, or specication can be obtained from yourdealer/retailer.Usage Fluid/LubricantEngine OilThe engine requires a specialengine oil meeting GM StandardGM4718M. Oils meeting thisstandard can be identied assynthetic, and should also beidentied with the AmericanPetroleum Institute (API) Certiedfor Gasoline Engines starburstsymbol. However, not all syntheticAPI oils with the starburst symbolwill meet this GM standard.Look for and use only oil that meetsGM Standard GM4718M. For theproper viscosity, see Engine Oilon page 5-13.Engine Coolant50/50 mixture of clean, drinkablewater and use only DEX-COOLCoolant. See Engine Coolant onpage 5-23.6-11