Dodge Charger SRT 2014 Owner's Manual page 125

Overtaking Traffic
If you pass another vehicle slowly (with a relative speed of
less than 15 mph (24 km/h) and the vehicle remains in the
blind spot for approximately 1.5 seconds, the warning light
will be illuminated. If the difference in speed between the
two vehicles is greater than 15 mph (24 km/h), the warning
light will not illuminate.
Overtaking/Approaching
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 123
The BSM system is designed not to issue an alert on
stationary objects such as guardrails, posts, walls, foliage,
berms, etc. However, occasionally the system may alert
on such objects. This is normal operation and your
vehicle does not require service.
Overtaking/Passing
3