light CADILLAC DTS PROFESSIONAL 2007 1.G Service Manual

Heated Steering Wheel
Your vehicle may have a heated steering wheel.
The button for this
feature is located on the
steering wheel.
Press the button to turn the heated steering wheel
on or off. A light on the button will display while
the feature is turned on.
The steering wheel will take about three minutes
to start heating.
Turn Signal/Multifunction Lever
The lever on the left side of the steering column
includes the following:
GTurn and Lane-Change Signals. See
Turn and Lane-Change Signals on page 167.
3Headlamp High/Low-Beam Changer.
SeeHeadlamp High/Low-Beam Changer
on page 167.
Flash-To-Pass Feature. SeeFlash-to-Pass on
page 172.
NWindshield Wipers. SeeWindshield
Wipers on page 172.
LWindshield Washer. SeeWindshield
Washer on page 175.
_Heated Washer Fluid. SeeWindshield
Washer on page 175.
166

Turn and Lane-Change Signals
To signal a turn, move the lever all the way up
or down. The lever returns automatically when the
turn is complete. If you momentarily press and
release the lever, the turn signal will ash 3 times.
An arrow on the
instrument panel
cluster and in the
outside rearview
mirror will ash in the
direction of the turn
or lane change.
Raise or lower the lever until the arrow starts to
ash to signal a lane change. Hold it there until
the lane change is complete. The lever returns
when it is released.
If the turn signal is left on, a warning chime will
sound and the Driver Information Center (DIC) will
display TURN SIGNAL ON after driving about a
mile to remind you to turn it off. SeeDIC Warnings
and Messages on page 246.Arrows that ash rapidly when signaling for a
turn or lane change may be caused by a burned
out signal bulb. Other drivers will not see the
turn signal.
Replace burned-out bulbs to help avoid possible
accidents. Check the fuse and for burned-out bulbs
if the arrow fails to work when signaling a turn.
SeeRear Underseat Fuse Block on page 455.
Headlamp High/Low-Beam Changer
Push forward to change the headlamps from
low beam to high. Pull the lever back and then
release it to change from high beam to low.
This light on the
instrument panel cluster
will be on, indicating
high-beam usage.
167

FCA is enabled when the green light on the button
is lit. FCA is disabled when the indicator light is
amber.
{CAUTION:
On winding roads, FCA may not detect
a vehicle ahead. You could crash into
a vehicle ahead of you. Do not rely on
FCA on winding roads.
When weather limits visibility,
such as in fog, rain, or snow, FCA
performance is limited. There may not
be enough warning distance to the
vehicle in front of you. Do not rely
on FCA in low visibility conditions.
{CAUTION:
When FCA is enabled, the Adaptive Cruise
Control switch is on. If you press another
Adaptive Cruise Control button, you might
CAUTION: (Continued)
CAUTION: (Continued)
go into cruise when you do not want to.
You could be startled and even lose
control. Be careful not to press adaptive
cruise buttons unless you want to use
cruise control.
Alerting the Driver
The FCA alert symbol
will ash and a warning
beep will sound when
driver action may be
required.
The alert symbol will ash when:
Your vehicle is approaching another vehicle
too quickly.
Your vehicle is following a vehicle ahead of
you much too closely.
SeeDefensive Driving on page 302for more
information.
170

Clear ice and snow from the wiper blades before
using them. If they are frozen to the windshield,
carefully loosen or thaw them. If the blades
become worn or damaged, replace with new
blades or blade inserts.
Heavy snow or ice can overload the wiper motor.
A circuit breaker will stop the motor until it cools.
Clear away snow or ice to prevent an overload.
Your vehicle has wiper-activated headlamps.
After the windshield wipers have completed eight
wipe cycles within four minutes, the headlamps
automatically turn on. SeeWiper Activated
Headlamps on page 197for more information.Rainsense™ II Wipers
If your vehicle has this feature, the moisture
sensor is mounted on the interior side of the
windshield behind the rearview mirror. It is used
to automatically operate the wipers by monitoring
the amount of moisture build-up on the windshield.
Wipes occur as needed to clear the windshield
depending on driving conditions and the sensitivity
setting. In light rain or snow, fewer wipes will occur.
In heavy rain or snow, wipes will occur more
frequently. The Rainsense™ II wipers operate in
a delay mode as well as a continuous low or high
speed as needed. If the system is left on for long
periods of time, occasional wipes may occur
without any moisture on the windshield. This is
normal and indicates that the Rainsense™ II
system is activated.
173

The Rainsense™ II system can be activated by
turning the wiper band to one of the ve sensitivity
levels indicated on the wiper stalk. The position
closest to off is the lowest sensitivity setting, level
one. This allows more rain or snow to collect on the
windshield between wipes. Turning the wiper band
away from you to higher sensitivity levels increases
the sensitivity of the system and frequency of
wipes. The highest sensitivity setting, level ve is
closest to low. A single wipe will occur each time
you turn the wiper stalk to a higher sensitivity level
to indicate that the sensitivity level has been
increased.
Notice:Going through an automatic car wash
with the wipers on can damage them. Turn
the wipers off when going through an
automatic car wash.The mist and wash cycles operate as normal and
are not affected by the Rainsense™ II function.
The Rainsense™ II system can be overridden at
any time by manually turning the wiper band to low
or high speed.
When Rainsense™ II is active, the headlamps
will turn on automatically. The headlamps will
turn off again once the wipers turn off if it is light
enough outside. If it is dark, they will remain
on. SeeWiper Activated Headlamps on page 197
for more information.
Notice:Do not place stickers or other items
on the exterior glass surface directly in front of
the moisture sensor. Doing this could cause
the moisture sensor to malfunction.
174

Cruise Control
With cruise control, you can maintain a speed of
approximately 25 mph (40 km/h) or more without
keeping your foot on the accelerator. This is helpful
on long trips. Cruise control does not work at
speeds below about 25 mph (40 km/h). When
cruise control is on, you will see a cruise light
on the instrument panel cluster.
When you apply your brakes, the cruise control
shuts off.{CAUTION:
Cruise control can be dangerous where
you cannot drive safely at a steady speed.
So, do not use your cruise control on
winding roads or in heavy traffic.
Cruise control can be dangerous on
slippery roads. On such roads, fast
changes in tire traction can cause
excessive wheel slip, and you could
lose control. Do not use cruise control
on slippery roads.
If your vehicle is in cruise control when the
Traction Control System (TCS) begins to limit
wheel spin, the cruise control automatically turns
off. SeeTraction Control System (TCS) on
page 309. When road conditions let you safely use
it again, you can turn the cruise control back on.
176

Setting Cruise Control
{CAUTION:
If you leave your cruise control on when
you are not using cruise, you might hit a
button and go into cruise when you do
not want to. You could be startled and
even lose control. Keep the cruise control
switch off until you want to use cruise
control.
The cruise control
buttons are located
on left side of the
steering wheel.
I(On):This position turns on the system.
+ RES (Resume/Accelerate):Press this button
to make the vehicle accelerate or resume to
a previously set speed.
SET– (Set):Press this button to set the speed.
[(Cancel):Press this button to cancel cruise
control.
Cruise control will not work if the parking brake is
set, or if the master cylinder brake uid level is low.
If the brakes are applied, the cruise control
shuts off.
The cruise light on the instrument panel cluster
comes on after the cruise control has been set to
the desired speed.
1. Press the cruise control button.
2. Get up to the desired speed.
3. Press the SET– button located on the steering
wheel and release it.
4. Take your foot off the accelerator.
177

Resuming a Set Speed
Suppose you set the cruise control at a desired
speed and then you apply the brake. This shuts off
the cruise control. But you do not need to reset it.
Once the vehicle is traveling approximately
25 mph (40 km/h) or more, you can press the
+RES (resume/accelerate) button to return to
your desired preset speed. The cruise light
displays again.
The vehicle returns to and stays at your preset
speed. If you press and hold the +RES button,
the vehicle speed increases until you release the
button or apply the brake. Do not hold in the
+RES button, if you do not want the vehicle
speed to increase.
Increasing Speed While Using Cruise
Control
There are two ways to go to a higher speed:
Use the accelerator pedal to get to the higher
speed. Press the SET– button, then release
the button and the accelerator pedal. The
vehicle now cruises at the higher speed.
Press the +RES button. Hold it there until you
get up to the desired speed, and then release
the button. To increase your speed in very
small amounts, briey press the +RES button
and then release it. Each time you do this,
the vehicle accelerates approximately
1 mph (1.6 km/h).
The accelerate feature only works after you have
set the cruise control speed by pressing the
SET– button.
Reducing Speed While Using Cruise
Control
There are two ways to reduce your speed while
using cruise control:
Press the SET– button until you reach the
lower desired speed, then release it.
To slow down in very small amounts, push the
SET– button briey. Each time you do this,
the vehicle slows down approximately
1 mph (1.6 km/h).
178

Passing Another Vehicle While Using
Cruise Control
Use the accelerator pedal to increase your speed.
When you take your foot off the pedal, the vehicle
slows down to your previous cruise control speed.
Using Cruise Control on Hills
How well your cruise control works on hills depends
upon the vehicle speed, load, and the steepness of
the hills. When going up steep hills, you might have
to step on the accelerator pedal to maintain the
vehicle’s speed. When going downhill, you might
have to brake or shift to a lower gear to keep the
vehicle’s speed down. Applying the brake or shifting
into a lower gear ends cruise control. If you need to
apply the brake or shift to a lower gear due to the
grade of the downhill slope, you might not want to
attempt to use the cruise control feature.
Ending Cruise Control
To turn off the cruise control, step lightly on
the brake pedal, or press the cancel button on
the steering wheel.
Erasing Speed Memory
When you turn off the cruise control or the
ignition, your cruise control set speed memory
is erased.
Adaptive Cruise Control
If your vehicle has this feature, be sure to read
this entire section before using it.
The system operates on a radio frequency subject
to Federal Communications Commission (FCC)
Rules and with Industry Canada.
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following
two conditions:
1. This device may not cause interference.
2. This device must accept any interference
received, including interference that may
cause undesired operation of the device.
179

Approaching and Following a Vehicle
The Vehicle Ahead
symbol is located on the
top of the instrument
panel to the right of the
driver.
The Vehicle Ahead symbol will only appear when
a vehicle is detected in your path.
If this symbol does not appear, or disappears
briey, Adaptive Cruise Control will not respond to
vehicles you may see ahead.{CAUTION:
When the Adaptive Cruise Control radar is
blocked by snow, ice, or dirt, it may not
detect a vehicle ahead. Adaptive Cruise
Control may not have time to slow your
vehicle enough to avoid a collision. Do
not use Adaptive Cruise Control when
the radar is blocked by snow, ice, or dirt.
Keep your radar clean. See “Cleaning the
System” later in this section.
Adaptive Cruise Control will automatically slow
your vehicle down when approaching a slower
moving vehicle. It will then adjust your speed to
follow the vehicle in front at the selected follow
distance. Your speed will increase or decrease
to follow the vehicle in front of you but will
not exceed the set speed. It may apply limited
braking, if necessary. When braking is active,
your brake lights will come on. Braking may feel
or sound different than if you were applying
the brakes yourself. This is normal.
187