Seat Leon 2012 - Driving with LPG

163Driving
Driving with LPG*
Fig. 118 Centre console:
gas system control
switch.
Your SEAT vehicle has a bivalent engine able to run on either LPG or petrol.
The LPG tank ⇒ page 215, Refuelling with LPG is in the spare wheel well
⇒
.
It is possible to change from LPG to petrol while the engine is running, even
if the vehicle is moving, by pressing the
GAS
button located on the centre
console ⇒ fig. 118. The selected operating mode is displayed on the indica-
tor lamp on the instrument panel ⇒ page 79.
Starting the engine
The engine is always started with petrol, even when LPG was being used
when it was switched off.
Automatic switch from petrol to LPG
When the engine is turned on and the following conditions are met, the sys-
tem will automatically switch from petrol mode to LPG mode, the notifica-
tion changed to GAS mode is displayed and the green indicator lamp on the
instrument panel lights up:
● There is enough LPG in the tank.
● The temperature of the vehicle coolant is above 30 °C.
● Engine speed while driving is above 1200 rpm.
Automatic switch from LPG to petrol
When the vehicle is operating in LPG mode and one of these conditions is
met, the system automatically switches to petrol mode, the notification
changed to petrol mode is displayed and the green indicator lamp on the in-
strument panel goes out:
● When the engine is started.
● If the LPG tank is empty.
● If there is a fault in the LPG system.
● At very low temperatures, below 10 °C.
Manual switch from petrol to LPG
Press the
GAS
button on the centre console ⇒ fig. 118 to change mode. The
notification changed to GAS mode is displayed. When the following condi-
tions are met, the system switches to LPG mode, the green indicator lamp
on the instrument panel lights up and the notification displayed changes to
changed to GAS mode.
● There is enough LPG in the tank.
● The temperature of the vehicle coolant is above 30 °C.
● Engine speed while driving is above 1200 rpm.
Manual switch from LPG to petrol
Press the
GAS
button on the centre console ⇒ fig. 118 to change mode. The
green lamp on the instrument panel goes out and the notification changed
to petrol mode is displayed.
Running on petrol
Run the engine with petrol for short journeys at regular intervals to avoid
problems in the petrol system. 
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