Page 119 of 166

Automatic operation Automatic changing of thefour
gears :
Select function Din the gate.
The gearbox always selects the most suitable gear on the basis ofthe following parameters:
– driving style,
– road characteristics,
– the vehicle's load.The gearbox operates in auto-adap-
tive mode without any action on
your part.
Moving off
With the engine running, to move off with the selector lever in position
P:
It is essential to press the brakepedal to exit position P (shift
lock),
Select the required function (R, D,
3 , 2 or 1)then gradually release
the pressure on the brake pedal;
the vehicle will move off immedi-
ately.
You can also move off with the selec-tor lever in position N:
Release the handbrake with yourfoot on the brake,
Select the required function (R,D ,
3 , 2 or 1)then gradually release
the pressure on the brake pedal;the vehicle will move offimmedi-
ately.
DRIVING YOUR 406 149
When the engine is idling, with the brakes notapplied, if function R,D, 3,
2 or 1is selected, the
vehicle will move even if you arenot accelerating. For this reason, do not leave
children unsupervised inside the vehicle, when the engine isrunning. When maintenance operations need to be carried out with theengine running, apply the hand-brake and select function P.
Never select function Nwhen the
vehicle is moving. Never select functions Por Rif
the engine is not switched off.Do not change from one position to another to improve braking effi-ciency on a slippery surface.
With the selector lever in position
P, it will be impossible to change
to another position if your batteryis flat.
Remarks
To obtain maximum acceleration
without touching the gear lever,press the accelerator pedal down as
far as it will go (kickdown). The gear-box will change down automaticallyor stay in the gear selected, up tomaximum engine speed. When braking, the gearbox changes down automatically so as to provide
efficient engine braking.
If you take your foot off the accelera-
tor suddenly, the gearbox will not
change up, so as to improve safety.
Page 128 of 166
1.6 litre 16V petrol engine 1 -Power steering reservoir.
2 - Coolant reservoir. 3 -
Windscreen and headlamp
wash reservoir.
4 - Battery.
5 - Air filter. 6 -
Brake fluid reservoir.
7 - Engine oil filler cap.
8 - Dipstick.
MAINTENANCE OF YOUR 406
26
Page 129 of 166
MAINTENANCE OF YOUR 40627
1.8 litre 16 V and 2 litre 16 V petrol engines 1 -
Power steering.
2 - Coolant reservoir. 3 -
Windscreen and headlamp
wash reservoir.
4 - Battery.
5 - Air filter. 6 -
Brake and clutch fluid reservoir.
7 - Engine oil filler cap.
8 - Dipstick.
Page 130 of 166
MAINTENANCE OF YOUR 406
28
2 litre 16 valve HPI petrol injection engine 1 -
Power steering reservoir.
2 - Coolant reservoir. 3 -
Windscreen and headlamp
wash reservoir.
4 - Battery.
5 - Air filter. 6 -
Brake and clutch fluid reservoir.
7 - Engine oil filler cap.
8 - Dipstick.
Page 131 of 166
MAINTENANCE OF YOUR 40629
2.2 litre 16 valve petrol engine 1 -
Power steering reservoir.
2 - Coolant reservoir. 3 -
Windscreen and headlamp
wash reservoir.
4 - Battery.
5 - Air filter. 6 -
Brake and clutch fluid reservoir.
7 - Engine oil filler cap.
8 - Dipstick.
Page 132 of 166
MAINTENANCE OF YOUR 406
30
3 litre 24 valve V6 petrol injection engine 1 -
Power steering reservoir.
2 - Coolant reservoir. 3 -
Windscreen and headlamp
wash reservoir.
4 - Battery.
5 - Air filter. 6 -
Brake and clutch fluid reservoir.
7 - Engine oil filler cap.
8 - Dipstick.
Page 133 of 166
MAINTENANCE OF YOUR 40631
2 litre turbo diesel HDI engine
(90 bhp / 110 bhp) 1 -
Power steering reservoir.
2 - Coolant reservoir. 3 -
Windscreen and headlamp
wash reservoir.
4 - Battery.
5 - Air filter. 6 -
Brake and clutch fluid reservoir.
7 - Engine oil filler cap.
8 - Dipstick.
Page 134 of 166
MAINTENANCE OF YOUR 406
32
2.2 litre 16V turbo diesel HDI engine 1 -
Power steering reservoir.
2 - Coolant reservoir. 3 -
Windscreen and headlamp
wash reservoir.
4 - Battery.
5 - Air filter. 6 -
Brake and clutch fluid reservoir.
7 - Engine oil filler cap.
8 - Dipstick.