Starting The Engine - Cadillac XTS 2018 Owner's Manual

180 DRIVING AND OPERATING
Service Mode
This power mode is available for
service and diagnostics, and to verify
the proper operation of the
malfunction indicator lamp as may be
required for emission inspection
purposes. With the vehicle off, and the
brake pedal not applied, pressing and
holding the button for more than
five seconds will place the vehicle in
Service Mode. The instruments and
audio systems will operate as they do
in ON/RUN, but the vehicle will not be
able to be driven. The engine will not
start in Service Mode. Press the
button again to turn the vehicle off.

Starting the Engine

Move the shift lever to P (Park) or
N (Neutral). To restart the engine
when the vehicle is already moving,
use N (Neutral) only.
Caution
Do not try to shift to P (Park) if the
vehicle is moving. If you do, you
could damage the transmission.
Shift to P (Park) only when the
vehicle is stopped.
Caution
If the steering wheel is turned until
it reaches the end of its travel, and
is held in that position while
starting the vehicle, damage may
occur to the hydraulic power
steering system and there may be
loss of power steering assist.
Caution
If you add electrical parts or
accessories, you could change the
way the engine operates. Any
Caution (Continued)
resulting damage would not be
covered by the vehicle warranty. See
Add-On Electrical Equipment 0 228.
Starting Procedure
1. With the Keyless Access system,
the RKE transmitter must be in
the vehicle. Press the ENGINE
START/STOP button with the
brake pedal applied. When the
engine begins cranking, let go of
the button.
The idle speed will go down as
the engine gets warm. Do not
race the engine immediately
after starting it.
If the RKE transmitter is not in
the vehicle, if there is
interference, or if the RKE
transmitter battery is low, the
Driver Information Center (DIC)
will display a message.