2007 CADILLAC XLR brake

Stationary or Very Slow-Moving Objects
{CAUTION:
Adaptive Cruise Control may not detect
and react to stationary or slow-moving
vehicles or other objects ahead of you.
You could crash into an object ahead of
you. Do not use Adaptive Cruise Control
when approaching stationary or
slow-moving vehicles or other objects.
{CAUTION:
Adaptive Cruise Control may not detect
and react to stationary or slow-moving
vehicles or other objects ahead of you.
Your vehicle may accelerate toward
objects, such as a stopped vehicle that
suddenly appears after the lead vehicle
changes lanes. Your complete attention is
always required while driving and you
should be ready to take action and apply
the brakes.
Low-Speed Deactivation
If your speed falls below 20 mph (32 km/h) while
following a vehicle ahead, Adaptive Cruise Control
will begin to disengage. The driver alert symbol
on the HUD will ash and the warning beep
will sound. The driver must take action since
Adaptive Cruise Control will not slow the vehicle to
a stop.
159

Passing a Vehicle
If you need to increase speed to pass a vehicle,
use the accelerator pedal. While your foot is on the
accelerator pedal, the system will not automatically
apply the brakes. Once you pass the vehicle
and remove your foot from the accelerator pedal,
Adaptive Cruise Control will return to normal
operation and be able to apply the brakes,
if needed.
{CAUTION:
If you rest your foot on the accelerator
pedal, the system will not automatically
apply the brakes. You could crash into a
vehicle ahead of you. Do not rest your
foot on the accelerator pedal when using
Adaptive Cruise Control.
Curves in the Road
{CAUTION:
Due to Adaptive Cruise Control limitations
in curves, it may respond to a vehicle in
another lane, or may not have time to
react to a vehicle in your lane. You could
crash into a vehicle ahead of you, or lose
control of your vehicle. Give extra
attention in curves and be ready to use
the brakes if necessary. Select an
appropriate speed while driving in curves.
Adaptive Cruise Control may operate differently in
a sharp curve.
The system may reduce your speed in a curve if
the curve is too sharp. The TIGHT CURVE
message will also display on the HUD. See
Head-Up Display (HUD) on page 171for more
information.
160

When following a vehicle and entering a curve,
Adaptive Cruise Control could lose track of
the vehicle in your lane and accelerate your
vehicle. When this happens, the vehicle ahead
symbol will not appear on the HUD.Adaptive Cruise Control may detect a vehicle that
is not in your lane and apply the brakes.
Adaptive Cruise Control may, occasionally,
provide a driver alert and/or braking that you
consider unnecessary. It could respond to signs,
guardrails and other stationary objects when
entering or exiting a curve. This is normal
operation. Your vehicle does not need service.
161

Highway Exit Ramps
{CAUTION:
Adaptive Cruise Control may lose track of
the vehicle ahead and accelerate up to
your set speed while entering or on
highway exit ramps. You could be startled
by this acceleration and even lose control
of the vehicle. Disengage Adaptive Cruise
Control before entering a highway exit
ramp. Do not use Adaptive Cruise Control
while entering or on exit ramps.
Other Vehicle Lane Changes
If another vehicle enters the same lane as you,
Adaptive Cruise Control will not detect the vehicle
until it is completely in the lane. Be ready to
take action and apply the brakes yourself.
162

Using Adaptive Cruise Control on Hills
How well Adaptive Cruise Control will work on hills
depends on your speed, vehicle load, traffic
conditions and the steepness of the hills. It may
not detect a vehicle in your lane while driving
on hills. When going up steep hills, you may want
to use the accelerator pedal to maintain your
speed. When going downhill, you may have to
brake to keep your speed down. Applying
the brake disengages the system. You may
choose not to use Adaptive Cruise Control on
steep hills.
Disengaging Adaptive Cruise Control
To disengage the system, apply the brake pedal
or move the Adaptive Cruise Control switch to
off. Adaptive Cruise Control information will
not appear on the HUD when the system is not
engaged.
Erasing Set Speed Memory
When you turn the Adaptive Cruise Control switch
or the ignition off, the set speed memory is
erased.
Other Messages
There are three messages that may appear in the
Driver Information Center (DIC). They are
SERVICE RADAR CRUISE, CRUISE NOT READY
and CLEAN RADAR CRUISE. These messages
will only appear to indicate a problem if Adaptive
Cruise Control is active. SeeDIC Warnings
and Messages on page 206for more information.
You may also see CRUISE SPEED LIMITED
displayed in the HUD. SeeHead-Up Display
(HUD) on page 171for more information.
163

O(Exterior Lamp Control):Turn the band with
this symbol on it to operate the exterior lamps.
The exterior lamp band has four positions:
O(Off):Turning the band to this position turns
off all lamps.
AUTO (Automatic):Turning the band to this
position sets the exterior lamps in automatic mode.
AUTO mode will turn the exterior lamps on and
off depending on how much light is available
outside the vehicle. Turning the band to AUTO
mode also enables the Adaptive Forward Lighting
system. SeeAdaptive Forward Lighting System
on page 167.
To override AUTO mode, turn the control to off.
To reset to AUTO mode turn the control to exterior
lamps and then back to AUTO. Automatic mode
will also reset when your vehicle is turned off
and then back on again when the control is left in
the AUTO position.
SeeTwilight Sentinel
®on page 168.
;(Parking Lamp):Turning the band to this
position turns on the parking lamps together with
the following:
Sidemarker Lamps
Taillamps
License Plate Lamps
Instrument Panel Lights
The parking brake indicator light will come on and
stay on when the parking lamps are on with the
engine off and the ignition to Acc.
5(Headlamps):Turning the control to this
position turns on the headlamps, together with the
previously listed lamps and lights.
165

How the System Works
URPA comes on automatically when the shift lever
is moved into REVERSE (R) and the vehicle
speed is less than 3 mph (5 km/h). When
the system comes on, the three lights on the
display will illuminate to let you know that
the system is working. URPA senses how close
your vehicle is to an object. The distance is
determined by the four ultrasonic sensors located
on the rear bumper. When you shift into
REVERSE (R) and an object is detected, the
following will occur in sequence depending on the
distance from the object:
At 5 feet (1.5 m) a chime will sound and
one amber light will be lit;
at 40 inches (1.0 m) both amber lights will be lit;
at 20 inches (0.5 m) a continuous chime will
sound and all three lights (amber/amber/red)
will be lit; and
at 1 foot (0.3 m) a continuous chime will sound
and all three lights (amber/amber/red) will ash.
URPA can detect objects 3 inches (7.6 cm) and
wider, and at least 10 inches (25.4 cm) tall, but it
cannot detect objects that are above trunklevel. In order for the rear sensors to recognize an
object, it must be within operating range.
If the URPA system is not functioning properly, the
display will ash red, indicating that there is a
problem. The light will also ash red while driving if
a trailer is attached to your vehicle, or a bicycle or
object is on the back of, or hanging out of your
trunk. The light will continue to ash until the trailer
or the object is removed and your vehicle is driven
forward at least 15 mph (25 km/h).
It may also ash red if the ultrasonic sensors are
not kept clean. So be sure to keep your rear
bumper free of mud, dirt, snow, ice and slush or
materials such as paint or the system may
not work properly. If after cleaning the rear bumper
and driving forward at least 15 mph (25 km/h),
the display continues to ash red, see your dealer.
For cleaning instructions, seeWashing Your
Vehicle on page 446.
It may also ash red if your vehicle is moving in
REVERSE (R) at a speed greater than 3 mph
(5 km/h). Other conditions that may affect system
performance include things like the vibrations
from a jackhammer or the compression of
air brakes on a very large truck.
176

Voltmeter Gage
When the vehicle is in
accessory mode, the
voltmeter shows
the voltage output of
your battery. When the
engine is running, it
shows the voltage
output of the charging
system.
The reading will change as the rate of charge
changes (with engine speed, for example), but if
the voltmeter reads at 9 volts or below, your
instrument panel cluster and other systems may
shut down. The Driver Information Center (DIC) will
read LOW VOLTAGE when your vehicle is at
10 volts or below. Have it checked right away.
Driving with the voltmeter reading at 10 volts
or below could drain your battery and disable your
vehicle.
Brake System Warning Light
Your vehicle’s hydraulic brake system is divided
into two parts. If one part is not working, the other
part can still work and stop you. For good
braking, though, you need both parts working well.
This light should come on when you start the
engine. If it does not come on then, have it xed
so it will be ready to warn you if there is a problem.
If this warning light stays on after you start the
engine, the parking brake may still be set or there
could be a brake problem. Refer toParking
Brake on page 97to see if it is set. If the parking
brake is not set, have your brake system
inspected right away.
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