Cadillac CTS 2014 Owner's Manual page 410

Cadillac CTS Owner Manual (GMNA-Localizing-MidEast-6882317) - 2014 -
CRC - 9/19/13
11-6 Service and Maintenance
Replacement may also be
needed if you notice reduced air
flow, windows fogging up,
or odors. Your dealer can help
you determine when it is the
right time to replace the filter.
First Engine Oil Change After
Every 80 000 km/50,000 Miles
Automatic transmission fluid
change 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 10-13.
Evaporative control system
inspection. Check all fuel and
vapor lines and hoses for proper
hook-up, routing, and condition.
All-wheel-drive vehicles only:
Transfer case fluid 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. During any
maintenance, if a power washer
is used to clean mud and dirt
from the underbody, care should
be taken to not directly spray the
transfer case output seals. High
Black plate (6,1)
pressure water can overcome
the seals and contaminate the
transfer case fluid.
Contaminated fluid will decrease
the life of the transfer case and
should be replaced.
First Engine Oil Change After
Every 160 000 km/100,000 Miles
Spark plug replacement and
spark plug wire inspection. An
Emission Control Service.
First Engine Oil Change After
Every 240 000 km/150,000 Miles
Engine cooling system drain and
refill (or every five years,
whichever occurs first). See
Cooling System on page 10-16.
An Emission Control Service.