2005 CADILLAC STS service

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Page 303 of 446

CADILLAC STS 2005 1.G Owners Manual Gasolines containing oxygenates, such as ethers and
ethanol, and reformulated gasolines may be available in
your area to contribute to clean air. General Motors
recommends that you use these gasolines

Page 314 of 446

CADILLAC STS 2005 1.G Owners Manual Your vehicle’s engine is �lled at the factory with a
Mobil 1®synthetic oil, which meets all requirements for
your vehicle.
Substitute Engine Oil: When adding oil to maintain
engine oil level, oil m

Page 315 of 446

CADILLAC STS 2005 1.G Owners Manual How to Reset the Engine Oil Life
System
The Engine Oil Life System calculates when to change
your engine oil and �lter based on vehicle use.
Anytime your oil is changed, reset the system so it can
cal

Page 317 of 446

CADILLAC STS 2005 1.G Owners Manual 3. Loosen the clamp and remove the duct from the
passenger’s side of the engine air cleaner/�lter.
4. The two sides of the airbox are hinged at the
bottom. Open the airbox by pushing the top of
the

Page 322 of 446

CADILLAC STS 2005 1.G Owners Manual If you get the overheat warning with no sign of steam,
try this for a minute or so:
1. In heavy traffic, let the engine idle in NEUTRAL (N)
while stopped. If it is safe to do so, pull off the road,
sh

Page 324 of 446

CADILLAC STS 2005 1.G Owners Manual When the engine is cold, the coolant level should be at
or slightly above the FULL COLD/FROID line on the
side of the coolant surge tank. If it is not, you may have
a leak at the pressure cap or in th

Page 332 of 446

CADILLAC STS 2005 1.G Owners Manual Brake Wear
Your vehicle has four-wheel disc brakes.
Disc brake pads have built-in wear indicators that make a
high-pitched warning sound when the brake pads are
worn and new pads are needed. The sound

Page 337 of 446

CADILLAC STS 2005 1.G Owners Manual Before you connect the cables, here are some
basic things you should know. Positive (+) will go to
positive (+) or to a remote positive (+) terminal if
the vehicle has one. Negative (−) will go to a