GMC Cadillac CTS 2004 Owner's Manual page 94

NEUTRAL (N): In this position, the engine doesn't
connect with the wheels. To restart when you're already
moving, use NEUTRAL (N) only. You can also use
NEUTRAL (N) when your vehicle is being towed.
CAUTION:
{
Shifting into a drive gear while your engine is
running at high speed is dangerous. Unless
your foot is firmly on the brake pedal, your
vehicle could move very rapidly. You could
lose control and hit people or objects. Do not
shift into a drive gear while your engine is
running at high speed.
Notice: Shifting out of PARK (P) or NEUTRAL (N)
with the engine running at high speed may damage
the transmission. The repairs would not be covered
by your warranty. Be sure the engine is not running
at high speed when shifting your vehicle.
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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 the
accelerator pedal about halfway down.
•
Going about 35 mph (55 km/h) or more, push the
accelerator all the way down.
The transmission will shift down to a lower gear and
have more power.
Notice: Driving your vehicle if you notice that
it is moving slowly or not shifting gears as you
increase speed may damage the transmission.
Have your vehicle serviced right away. You can
drive in SECOND (2) when you are driving less than
35 mph (55 km/h) and AUTOMATIC OVERDRIVE (D)
for higher speeds until then.
FOURTH (4): This position is also used for normal
driving. However, it offers more power and lower fuel
economy than AUTOMATIC OVERDRIVE (D).
Here are examples for using FOURTH (4) instead of
AUTOMATIC OVERDRIVE (D).
•
When driving on hilly, winding roads.
•
When going down a steep hill.