2007 CHEVROLET IMPALA Owners Manual

Driving on Snow or Ice
Most of the time, those places where the tires
meet the road probably have good traction.
However, if there is snow or ice between the tires
and the road, you can have a very slippery
situation. You will have a lot less traction, or grip,
and will need to be very careful.
What is the worst time for this? Wet ice. Very cold
snow or ice can be slick and hard to drive on.
But wet ice can be even more trouble because itmay offer the least traction of all. You can get wet
ice when it is about freezing, 32°F (0°C), and
freezing rain begins to fall. Try to avoid driving on
wet ice until salt and sand crews can get there.
Whatever the condition — smooth ice, packed,
blowing, or loose snow — drive with caution.
If your vehicle has the Traction Control System
(TCS), it will improve your ability to accelerate when
driving on a slippery road. Even though your vehicle
has a traction system you will want to slow down
and adjust your driving to the road conditions.
Under certain conditions, you may want to turn the
TCS off, such as when driving through deep snow
and loose gravel, to help maintain vehicle motion at
lower speeds. SeeTraction Control System (TCS)
on page 256.
If your vehicle does not have TCS, accelerate
gently. Try not to break the fragile traction. If you
accelerate too fast, the drive wheels will spin
and polish the surface under the tires even more.
Unless your vehicle has the Anti-Lock Brake
System (ABS), you will want to brake very gently,
too. If your vehicle does have ABS, seeAnti-Lock
Brake System (ABS) on page 253. ABS improves
your vehicle’s stability when you make a hard stop
on a slippery road.
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Whether your vehicle has ABS or not, you will want
to begin stopping sooner than you would on dry
pavement. Without ABS, if you feel your vehicle
begin to slide, let up on the brakes a little. Push the
brake pedal down steadily to get the most traction
you can.
Remember, unless your vehicle has ABS, if you
brake so hard that the wheels stop rolling,
your vehicle will just slide. Brake so the wheels
always keep rolling and you can still steer.
Whatever your vehicle’s braking system, allow
greater following distance on any slippery road.
Watch for slippery spots. The road might be
ne until you hit a spot that is covered with ice.
On an otherwise clear road, ice patches may
appear in shaded areas where the sun cannot
reach, such as around clumps of trees, behind
buildings, or under bridges. Sometimes the
surface of a curve or an overpass may remain
icy when the surrounding roads are clear. If you
see a patch of ice ahead of you, brake before
you are on it. Try not to brake while you are
actually on the ice, and avoid sudden steering
maneuvers.
If You Are Caught in a Blizzard
If you are stopped by heavy snow, you could be
in a serious situation. You should probably stay with
your vehicle unless you know for sure that you are
near help and you can hike through the snow. Here
are some things to do to summon help and keep
yourself and your passengers safe:
Turn on the hazard ashers.
Tie a red cloth to your vehicle to alert police that
you have been stopped by the snow.
Put on extra clothing or wrap a blanket
around you. If you do not have blankets or
extra clothing, make body insulators from
newspapers, burlap bags, rags, oor
mats — anything you can wrap around
yourself or tuck under your clothing to
keep warm.
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You can run the engine to keep warm, but be
careful.
{CAUTION:
Snow can trap exhaust gases under
your vehicle. This can cause deadly CO
(carbon monoxide) gas to get inside.
CO could overcome you and kill you.
You cannot see it or smell it, so you might
not know it is in your vehicle. Clear away
snow from around the base of your
vehicle, especially any that is blocking
the exhaust pipe. And check around again
from time to time to be sure snow does
not collect there.
Open a window just a little on the side of
the vehicle that is away from the wind.
This will help keep CO out.
Run the engine only as long as you must.
This saves fuel. When you run the engine, make it
go a little faster than just idle. That is, push the
accelerator slightly. This uses less fuel for the heat
that you get and it keeps the battery charged.
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You will need a well-charged battery to restart the
vehicle, and possibly for signaling later on with
the headlamps. Let the heater run for a while.
Then, shut the engine off and close the window
almost all the way to preserve the heat. Start
the engine again and repeat this only when you
feel really uncomfortable from the cold. But do it as
little as possible. Preserve the fuel as long as
you can. To help keep warm, you can get out of
the vehicle and do some fairly vigorous exercises
every half hour or so until help comes.
If Your Vehicle is Stuck in Sand,
Mud, Ice, or Snow
In order to free your vehicle when it is stuck, you
will need to spin the wheels, but you do not
want to spin your wheels too fast. The method
known as rocking can help you get out when you
are stuck, but you must use caution.
{CAUTION:
If you let your vehicle’s tires spin at high
speed, they can explode, and you or
others could be injured. And, the
transaxle or other parts of the vehicle can
overheat. That could cause an engine
compartment re or other damage. When
you are stuck, spin the wheels as little as
possible. Do not spin the wheels above
35 mph (55 km/h) as shown on the
speedometer.
Notice:Spinning the wheels can destroy parts
of your vehicle as well as the tires. If you
spin the wheels too fast while shifting
the transaxle back and forth, you can destroy
the transaxle. SeeRocking Your Vehicle to
Get It Out on page 277.
For information about using tire chains on your
vehicle, seeTire Chains on page 372.
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Rocking Your Vehicle to Get It Out
First, turn the steering wheel left and right.
That will clear the area around the front wheels.
If your vehicle has traction control, you should turn
the traction control system off. SeeTraction
Control System (TCS) on page 256. Then shift
back and forth between REVERSE (R) and
a forward gear, spinning the wheels as little as
possible. Release the accelerator pedal while you
shift, and press lightly on the accelerator pedal
when the transaxle is in gear. By slowly spinning
the wheels in the forward and reverse directions,
you will cause a rocking motion that may free your
vehicle. If that does not get your vehicle out
after a few tries, it may need to be towed out.
If your vehicle does need to be towed out,
seeTowing Your Vehicle on page 282.
Loading Your Vehicle
It is very important to know how much weight your
vehicle can carry. Two labels on your vehicle
show how much weight it may properly carry, the
Tire and Loading Information label and the
Vehicle Certication label.
{CAUTION:
Do not load your vehicle any heavier than
the Gross Vehicle Weight Rating (GVWR),
or either the maximum front or rear Gross
Axle Weight Rating (GAWR). If you do,
parts on your vehicle can break, and it
can change the way your vehicle handles.
These could cause you to lose control
and crash. Also, overloading can shorten
the life of your vehicle.
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Tire and Loading Information Label
A vehicle specic Tire and Loading Information
label is attached to the vehicle’s center pillar
(B-pillar). With the driver’s door open, you will nd
the label attached below the door lock post
(striker). The Tire and Loading Information label
lists the number of occupant seating positions (A),
and the maximum vehicle capacity weight (B) in
kilograms and pounds. The vehicle capacity weight
includes the weight of all occupants, cargo, and
all nonfactory-installed options.The Tire and Loading Information label also lists the
tire size of the original equipment tires (C) and the
recommended cold tire ination pressures (D). For
more information on tires and ination, seeTires on
page 351andInation - Tire Pressure on page 359.
There is also important loading information on the
Certication label. It tells you the Gross Vehicle
Weight Rating (GVWR) and the Gross Axle Weight
Rating (GAWR) for the front and rear axle, see
“Certication Label” later in this section.
Steps for Determining Correct Load Limit
1. Locate the statement “The combined
weight of occupants and cargo should never
exceed XXX kg or XXX lbs” on your
vehicle’s placard.
2. Determine the combined weight of the driver
and passengers that will be riding in your
vehicle.
3. Subtract the combined weight of the driver
and passengers from XXX kg or XXX lbs.
Label Example
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4. The resulting gure equals the available
amount of cargo and luggage load capacity.
For example, if the “XXX” amount equals
1400 lbs and there will be ve 150 lb
passengers in your vehicle, the amount of
available cargo and luggage load capacity is
650 lbs (1400−750 (5 x 150) = 650 lbs).
5. Determine the combined weight of luggage
and cargo being loaded on the vehicle. That
weight may not safely exceed the available
cargo and luggage load capacity calculated in
Step 4.
6. If your vehicle will be towing a trailer, the load
from your trailer will be transferred to your
vehicle. Consult this manual to determine how
this reduces the available cargo and luggage
load capacity for your vehicle.
If your vehicle can tow a trailer, seeTowing a
Trailer on page 284for important information
on towing a trailer, towing safety rules, and
trailering tips.
Item Description Total
AMaximum Vehicle
Capacity Weight for
Example 1=1,000 lbs (453 kg)
BSubtract
Occupant Weight
150 lbs (68 kg)×2=300 lbs (136 kg)
CAvailable Occupant and
Cargo Weight=700 lbs (317 kg) Example 1
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Item Description Total
AMaximum Vehicle
Capacity Weight for
Example 2=1,000 lbs (453 kg)
BSubtract
Occupant Weight
150 lbs (68 kg)×5=750 lbs (340 kg)
CAvailable
Cargo Weight=250 lbs (113 kg)Item Description Total
AMaximum Vehicle
Capacity Weight for
Example 3=1,000 lbs (453 kg)
BSubtract
Occupant Weight
200 lbs (91 kg)×5=1,000 lbs (453 kg)
CAvailable
Cargo Weight=0 lbs (0 kg)
Refer to your vehicle’s Tire and Loading Information
label for specic information about your vehicle’s
maximum vehicle capacity weight and seating
positions. The combined weight of the driver,
passengers, and cargo should never exceed your
vehicle’s maximum vehicle capacity weight.
Example 2Example 3
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