2008 CADILLAC SRX engine

Reading Lamps
The reading lamps are located on the overhead console.
These lamps come on automatically when any door is
opened.
For manual operation, press the button next to each
lamp to turn it on or off.
If the reading lamps are left on, they automatically shut
off 10 minutes after the ignition has been turned off.
Electric Power Management
The vehicle has Electric Power Management (EPM)
that estimates the battery’s temperature and state
of charge. It then adjusts the voltage for best
performance and extended life of the battery.
When the battery’s state of charge is low, the voltage is
raised slightly to quickly put the charge back in. When the
state of charge is high, the voltage is lowered slightly to
prevent overcharging. If the vehicle has a voltmeter gage
or a voltage display on the Driver Information Center
(DIC), you may see the voltage move up or down. This is
normal. If there is a problem, an alert will be displayed.The battery can be discharged at idle if the electrical
loads are very high. This is true for all vehicles.
This is because the generator (alternator) may not be
spinning fast enough at idle to produce all the power that
is needed for very high electrical loads.
A high electrical load occurs when several of the
following loads are on: headlamps, high beams, fog
lamps, rear window defogger, climate control fan at
high speed, heated seats, engine cooling fans, trailer
loads, and loads plugged into accessory power outlets.
EPM works to prevent excessive discharge of the
battery. It does this by balancing the generator’s output
and the vehicle’s electrical needs. It can increase engine
idle speed to generate more power, whenever needed.
It can temporarily reduce the power demands of some
accessories.
Normally, these actions occur in steps or levels, without
being noticeable. In rare cases at the highest levels of
corrective action, this action may be noticeable to the
driver. If so, a Driver Information Center (DIC) message
might be displayed, such as Battery Saver Active or
Service Battery Charging System. If this message is
displayed, it is recommended that the driver reduce the
electrical loads as much as possible. SeeDIC Warnings
and Messages on page 3-53.
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Air Quality Sensor:Your vehicle may have an air
quality sensor to help limit the climate control system
from pulling in irritating or harmful exhaust fumes from
other vehicles. This sensor, when active, monitors the
air quality in front of your vehicle and switches to air
recirculation when poor quality air is detected outside
your vehicle. The air quality sensor does not activate
due to organic odors like skunk, and may not activate on
many chemical-related odors. If you wish to limit these
types of odors, manually select recirculation.
To activate the air quality sensor, if your vehicle has one,
select the Auto Air Inlet on your climate control display.
The word AUTO is shown in the center of the display
under the outline shape of a vehicle. While the air quality
sensor senses poor quality air, the recirculation graphic
appears above the AUTO symbol.
Under some conditions, the air quality sensor system
does not operate. In cold weather, the system might
not be active (even if AUTO is displayed) because of
concerns of fogging your windows, which may occur by
activating recirculation mode. Also, the air quality sensorsystem does not remain in recirculation mode for
extended periods of time that could cause stuffy or very
dry conditions in the vehicle. Following a poorly running
vehicle for an extended period of time may not keep
recirculation active indenitely.
The air quality sensor system does not protect against
carbon monoxide (CO), which you cannot see or smell.
SeeEngine Exhaust on page 2-39.
Air Conditioning
#
(Air Conditioning):Press this button to turn the
air conditioning on or off, and override the automatic
system. When selecting the AUTO fan or AUTO mode,
the air conditioning compressor comes on automatically,
as necessary.
The air conditioning system removes moisture from the
air, so water might drip underneath the vehicle while
idling or after turning off the engine. This is normal.
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Passenger Compartment Air Filter
The passenger compartment air lter helps remove dust
and pollen from the air entering the vehicle. Like the
vehicle’s engine air cleaner/lter, it needs to be changed
periodically. For how often to change the passenger
compartment air lter, seeScheduled Maintenance on
page 6-4.
The passenger compartment air lter is located
underneath the hood below the windshield wiper arm
on the passenger’s side of the vehicle. SeeEngine
Compartment Overview on page 5-12for more
information on location.
Use the procedure listed below to replace the passenger
compartment air lter:
1. Open the hood to access the engine compartment.
SeeHood Release on page 5-11for more
information. Locate the passenger compartment
air lter access panel door.2. Push the two tabs on the access panel door
towards the windshield.
3. While pressing forward, lift the access panel out of
the clipped position and pull towards the front of
the vehicle. This releases the clips and allows the
panel door to be removed.
4. Remove the old lter and insert a new one. Make
sure the arrow on the lter is pointing toward the
passenger compartment.
SeeNormal Maintenance Replacement Parts on
page 6-14for the correct part number for the lter.
5. Reverse Steps 1 through 3 to reinstall the cover.
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Warning Lights, Gages, and
Indicators
This part describes the warning lights and gages that
may be on your vehicle. The pictures will help you
locate them.
Warning lights and gages can signal that something
is wrong before it becomes serious enough to cause
an expensive repair or replacement. Paying attention
to the warning lights and gages could also save you
or others from injury.
Warning lights come on when there may be or is a
problem with one of your vehicle’s functions. As you
will see in the details on the next few pages, some
warning lights come on briey when you start the engine
just to let you know they are working. If you are familiar
with this section, you should not be alarmed when this
happens.Gages can indicate when there may be or is a problem
with one of your vehicle’s functions. Often gages and
warning lights work together to let you know when there
is a problem with your vehicle.
When one of the warning lights comes on and stays on
while you are driving, or when one of the gages shows
there may be a problem, check the section that tells
you what to do about it. Waiting to do repairs can be
costly – and even dangerous. So please get to know
your warning lights and gages. They are a big help.
Your vehicle also has a Driver Information Center (DIC)
that works along with the warning lights and gages.
SeeDriver Information Center (DIC) on page 3-47for
more information.
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Speedometer and Odometer
The speedometer lets you see your speed in both miles
per hour (mph) and kilometers per hour (km/h). See
“SPEEDOMETER” underDIC Operation and Displays
on page 3-48for more information.
The odometer mileage can be checked without the
vehicle running. Your vehicle’s odometer works together
with the driver information center. You can set a Trip A
and a Trip B odometer. See “Trip Fuel” underDIC
Operation and Displays on page 3-48for more
information.
If your vehicle ever needs a new odometer installed,
the new one will be set to the correct mileage total of
the old odometer.
Tachometer
This gage indicates the engine speed in revolutions per
minute (rpm).
Engine Speed Limiter
This feature prevents the engine from operating at too
many revolutions per minute (rpm). When the engine’s
rpms are too high, the throttle is closed to reduce speed.
If this is not sufficient, then the fuel supply to the engine
will be limited. When the rpms return to normal, the fuel
supply will return to normal. This helps prevent damage
to the engine.
Safety Belt Reminders
Safety Belt Reminder Light
When the engine is started, a chime will come on for
several seconds to remind people to fasten their safety
belts, unless the driver’s safety belt is already buckled.
The safety belt light will
also come on and stay
on for several seconds,
then it will ash for
several more.
This chime and light is repeated if the driver remains
unbuckled and the vehicle is in motion. If the driver’s belt
is already buckled, neither the chime nor the light will
come on.
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Passenger Safety Belt Reminder Light
Several seconds after the engine is started, a chime
will sound for several seconds to remind the front
passenger to buckle their safety belt. This would only
occur if the passenger airbag is enabled. SeePassenger
Sensing System on page 1-65for more information.
The passenger safety belt light will also come on
and stay on for several seconds, then it will ash
for several more.
This chime and light are
repeated if the passenger
remains unbuckled and
the vehicle is in motion.
If the passenger’s safety belt is buckled, neither the
chime nor the light will come on.
Airbag Readiness Light
There is an airbag readiness light on the instrument panel
cluster, which shows the airbag symbol. The system
checks the airbag’s electrical system for malfunctions.
The light tells you if there is an electrical problem.
The system check includes the airbag sensor, the
pretensioners, the airbag modules, the wiring and
the crash sensing and diagnostic module. For more
information on the airbag system, seeAirbag System
on page 1-55.
This light will come on
when you start your
vehicle, and it will ash for
a few seconds. The light
should go out and the
system is ready.
If the airbag readiness light stays on after you start the
vehicle or comes on when you are driving, your airbag
system may not work properly. Have your vehicle
serviced right away.
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{CAUTION:
If the airbag readiness light stays on after you
start your vehicle, it means the airbag system
may not be working properly. The airbags in
your vehicle may not inate in a crash, or they
could even inate without a crash. To help
avoid injury to yourself or others, have your
vehicle serviced right away if the airbag
readiness light stays on after you start your
vehicle.
The airbag readiness light should ash for a few seconds
when you start the engine. If the light does not come on
then, have it xed immediately. If there is a problem with
the airbag system, an airbag Driver Information Center
(DIC) message may also come on. SeeDIC Warnings
and Messages on page 3-53for more information.
Passenger Airbag Status Indicator
Your vehicle has the passenger sensing system.
Your instrument panel has a passenger airbag status
indicator.
When you start the vehicle, the passenger airbag status
indicator will light ON and OFF, or the symbol for on
and off, for several seconds as a system check. Then,
after several more seconds, the status indicator will
light either ON or OFF, or either the on or off symbol to
let you know the status of the right front passenger’s
frontal airbag.United States
Canada
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{CAUTION:
If the airbag readiness light in the instrument
panel cluster ever comes on and stays on,
it means that something may be wrong with
the airbag system. If this ever happens, have
the vehicle serviced promptly, because an
adult-size person sitting in the right front
passenger’s seat may not have the protection
of the airbag(s). SeeAirbag Readiness Light
on page 3-34for more on this, including
important safety information.
Charging System Light
This light will come on
briey when you turn on the
ignition, but the engine is
not running, as a check to
show you it is working.
It should go out once the engine is running. If it stays
on, or comes on while you are driving, you may have a
problem with the charging system. A charging system
Driver Information Center (DIC) message may also
appear. SeeDIC Warnings and Messages on page 3-53
for more information. This light could indicate that you
have problems with a generator drive belt, or another
electrical problem. Have it checked right away. If you
must drive a short distance with the light on, be certain
to turn off all your accessories, such as the radio and air
conditioner.
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