Jeep Wrangler: SAFETY / SAFETY FEATURES
The ABS provides increased vehicle stability
and brake performance under most braking
conditions. The system automatically prevents
wheel lock, and enhances vehicle control during
braking...
Other information:
While operating on gasoline with the required
octane number, hearing a light knocking sound
from the engine is not a cause for concern.
However, if the engine is heard making a heavy
knocking sound, see a dealer immediately. Use
of gasoline with an octane number lower than
recommended octane can cause engine failure
and may void the New Vehicle Limited Warranty...
Engine Oil Selection — 2.0L Engine (If Equipped)
For best performance and maximum protection
under all types of operating conditions, the
manufacturer only recommend engine oils that
are API SP/GF-6A certified and meet the
requirements of the manufacturer Material
Standard MS-13340...