Automatic Transmission Fluid - Cadillac 2003 CTS Owner's Manual

Automatic Transmission Fluid

It is not necessary to check the transmission fluid level.
A transmission fluid leak is the only reason for fluid
loss. If a leak occurs, take your vehicle to the dealership
service department and have it repaired as soon as
possible. You may also have your fluid level checked
by your dealer or service center when you have your
oil changed.
Change both the fluid and filter every 50,000 miles
(83 000 km) if the vehicle is mainly driven under one or
more of these conditions:
D
In heavy city traffic where the outside temperature
_
regularly reaches 90 F (32
D
In hilly or mountainous terrain.
D
When doing frequent trailer towing.
D
Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these
conditions, the fluid and filter do not require changing.
6-20
_
C) or higher.
NOTICE:
We recommend you use only fluid labeled
DEXRON R
-
III, because fluid with that label is
made especially for your automatic transmission.
Damage caused by fluid other than
DEXRON R
-
III is not covered by your new
vehicle warranty.