General Information; Fuel Requirements; 6.2L Supercharged And 6.4L Engine - Dodge SRT Hellcat Owner's Manual

450 STARTING AND OPERATING
low-pressure warning limit in any of the four active
road tires. The vehicle may need to be driven for up to
20 minutes above 15 mph (24 km/h) in order for the
TPMS to receive this information.

General Information

This device complies with Part 15 of the FCC rules and
RSS 210 of Industry Canada. Operation is subject to the
following conditions:
• This device may not cause harmful interference.
• This device must accept any interference received,
including interference that may cause undesired op-
eration.
The TPM sensors are regulated under one of the follow-
ing licenses:
United States
Canada
MRXSSW4
2546A-SSW4

FUEL REQUIREMENTS

6.2L Supercharged And 6.4L Engine

These engines are designed to meet all
emissions regulations and provide im-
proved fuel economy and performance
when using high-quality premium un-
leaded gasoline with an octane rating of 91
or higher.
Light spark knock at low engine speeds is not harmful to
your engine. However, continued heavy spark knock at
high speeds can cause damage and immediate service is
required.
Poor quality gasoline can cause problems such as hard
starting, stalling, and hesitations. If you experience these
symptoms, try another brand of gasoline before consid-
ering service for the vehicle. Engine damage resulting
from operating from operating with heavy spark knock
may void or not be covered by the new vehicle warranty.