Fuel; Fuel For Petrol Engines - Opel Grandland X Owner's Manual

194 Driving and operating
markings. This system is particularly
suited to fast roads (speed higher
than 65 km/h).
If the trajectory of the vehicle
suggests a certain level of
drowsiness or inattention by the
driver, the system triggers the first
level of alert. The driver is notified by
a message and an audible signal is
given.
After three first level alerts, the
system triggers a new alert with a
message, accompanied by a more
pronounced audible signal.
In certain driving conditions (poor
road surface or strong winds), the
system may give alerts independent
of the driver's level of vigilance.
The driver drowsiness detection is
reinitialised when the ignition has
been switched off for a few minutes or
the speed remains below 65 km/h for
a few minutes.
System limitations
In the following situations, the system
may not operate properly or even not
operate at all:
● Poor visibility caused by
inadequate lighting of the
roadway, falling snow, heavy
rain, dense fog etc.
● Dazzle caused by headlamps of
an oncoming vehicles, low sun,
reflections on damp roads,
leaving a tunnel, alternating
shade and light etc.
● Windscreen area in front of the
camera covered by dirt, snow,
stickers etc.
● No lane markings detected or
multiple lane markings due to
roadworks
● Close vehicles ahead
● Winding roads or narrow roads

Fuel

Fuel for petrol engines

Only use unleaded fuel that complies
with European standard EN 228 or
E DIN 51626-1 or equivalent.
The engine is capable of running with
fuel that contains up to 10% ethanol
(e.g. named E10).
Use fuel with the recommended
octane rating. A lower octane rating
can reduce engine power and torque
and slightly increases fuel
consumption.
Caution
Do not use fuel or fuel additives
that contain metallic compounds
such as manganese-based
additives. This may cause engine
damage.