Volvo 2003 C70 Operation And Care Manual page 42

Use this position when starting the engine or parking the car.
Never use P while the car is in motion.
The parking brake should be set whenever the car is parked.
The gear selector is mechanically locked in the P position (SHIFTLOCK). To release the gear selector from this
position, the engine must be running (or the ignition key must be in position II) and the brake pedal must be
depressed.
WARNING! Never leave the car unattended when the engine is running. If, by mistake, the gear selector is moved
from P, the car may start moving.
R (Reverse)
Never engage R while the car is moving forward.
N (Neutral)
Neutral - no gear engaged. Use the parking brake.
D (Drive)
D is the normal driving position and should be used as often as possible to help improve fuel economy. The car should
not be moving when shifting from R to the D position.
4 (Intermediate gear)
The transmission will shift automatically between gears 4, 3, 2 or 1 from this position. The transmission cannot shift
up to (D) from fourth gear.
3 (Intermediate gear)
The transmission will shift automatically between gears 3, 2 and 1 from this position. The transmission cannot shift
up to fourth gear of (D)rive from third gear.
L (Low gear)
The transmission is locked in gears 1 and 2 when the selector is in this position.
NOTE:
Gears 4, 3, or L can be used if you are driving in a mountainous area, towing a trailer or to increase engine braking
effect.
The transmission has a built-in limiter designed to help prevent excessive engine speeds (high rpm) when gears 4, 3
or L are selected.
Automatic transmission - adaptive system