sensor PONTIAC GRAND AM 2003 Owners Manual

AUTOMATIC OVERDRIVE (D): This position is for
normal driving.
If you need more power for passing, and
you’re:
Going less than 35 mph (55 km/h), push your
Going about 35 mph (55 km/h) or more, push the
You’ll shift down to the next gear and have more power.
accelerator pedal about halfway
down.
accelerator all the way down.
Notice: If your vehicle seems to start up rather
slowly, or if
it seems not to shift gears as you go
faster, something may be wrong with a transaxle system sensor.
If you drive very far that way, your
vehicle can be damaged.
So, if this happens,
have your vehicle serviced right away. Until then,
you can use SECOND
(2) when you are driving less
than
35 mph (55 km/h) and AUTOMATIC
OVERDRIVE (D) for higher speeds. THIRD
(3): This position is also used
for normal driving.
However, it offers more power and lower fuel economy
than AUTOMATIC OVERDRIVE (D). Here are some
times you might choose THIRD
(3) instead of
AUTOMATIC OVERDRIVE (D):
When driving on hilly, winding roads.
0 When towing a trailer, so there is less shifting
between gears.
When going down a steep hill.
SECOND
(2): This position gives you more power but
lower fuel economy. You can use SECOND
(2) on
hills. It can help control your speed as you go down
steep mountain roads, but then you would also want to
use your brakes
off and on.
Notice: Don’t drive in SECOND (2) for more than
25 miles (40 km), or at speeds over 55 mph
(90 km/h), or you can damage your transaxle. Use
THIRD
(3) or AUTOMATIC OVERDRIVE (D) as
much as possible. Don’t shift into SECOND (2)
unless you are going slower than 65 mph (105 km/h)
or you can damage your engine.
2-26

The DRL system will make your low-beam headlamps
come on at a reduced brightness when the following
conditions are met:
The ignition is on.
the exterior lamps control is in AUTO or the parking
the light sensor detects daytime light,
lamps
only position.
the parking brake is released, and
0 the shift lever is not in PARK (P) on vehicles with
When the DRL system is on, the taillamps, sidemarker
lamps, parking lamps and instrument panel lights
will not be illuminated unless you have turned the
exterior lamps control
to the parking lamp position.
As with any vehicle, you should turn on the regular
headlamp system when you need it.
an automatic transaxle only.
Automatic Headlamp System
When it
is dark enough outside, your automatic
headlamp system will turn on your headlamps at the
normal brightness along with other lamps such as
the taillamps, sidemarker, parking lamps and the
instrument panel lights. The radio lights will also be dim. Your
vehicle is equipped with a light sensor on the top
of the instrument panel under the defroster grill, so
be sure it is not covered which will cause the
automatic headlamp system
to be on whenever the
ignition is on.
The automatic headlamp system may also be on when
driving through a parking garage, heavy overcast
weather or a tunnel. This is normal.
There is a delay in the transition between the daytime
and nighttime operation
of the DRL and the automatic
headlamp systems
so that driving under bridges or
bright overhead street lights does not affect the system.
The DRL and automatic headlamp systems will only
be affected when the light sensor sees a change
in lighting lasting longer than this delay.
To idle your vehicle with the automatic headlamp
system
off, set the parking brake while the ignition is off.
Then start the vehicle. The automatic headlamp
system will stay
off until you release the parking brake.
As with any vehicle, you should turn on the regular
headlamps when you need them.
3-1 4

Relays 16
17
18
19
20
21 22
Fuses 23-32
33
34
35
36
37
3e
39
40 Usage
Air Conditioning Compressor
Not Used
Fuel Pump
Automatic Headlamp System
Automatic Headlamp System
Horn
Daytime Running Lamps (DRL)
Usage
Spare Fuse Holder
Rear Defog
Accessory Power Outlets,
Cigarette Lighter
Generator
Not Used
Air Conditioning Compressor, Body
Function Control Module
Powertrain Control Module (PCM)
Anti-Lock Brakes (ABS)
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Fuses
41
42
43
44
45 46
47
48 49 50
51 52
53
54
55 56
57 Usage
Ignition
System
Back-up Lamps, Brake Transaxle
Shift Interlock
Horn PCM Parking Lamps
Climate Control System,
Air Conditioning
Canister Vent Valve, Exhaust
Oxygen Sensors
Fuel Pump, injectors
Not Used
Right Headlamp
Left Headlamp
Cooling Fan
#2
HVAC Blower (Climate Control)
Crank
Coolina Fan #2 Ground
Fuse Puller for Mini Fuses
Not Used
5-85