Cruise Control Problems of Infiniti Q45

When cruise control is set, and the need to pass or speed up is required, if you press the gas pedal to the floor the car takes off and *then stops responding and drops back to set cruise control speed while you are still flooring it. It bucks back and forth. I spoke to several owners on a Infiniti owners site and theres performs the same. Its dangerous if the need to speed up occurs. This is a problem in the coding of the parameters in the ecu and could be deadly with unexpected performance. This happened on i40 in knoxville tennessee in heavy traffic. This condition can be repeated back to back multiple times.

See all problems of the 2005 Infiniti Q45 🔎.

Dt:the consumers vehicle has a cruise control that has a chip that if a car gets too close to it slows down. When driving on the highway and somebody cuts the consumer off it feels like someone stepped on the brake due to an abrupt drop in speed. Contacted manufacturer, they said can't separate them because it only shuts down cruise control or it goes into the icc. The dealership says they had many complaints, but manufacturer says it is not a problem.

See all problems of the 2004 Infiniti Q45 🔎.

The consumer believes that the laser controlled cruise control could be a potential safety issue to an unwary driver. The system does not work in the rain or when driving into the sun at sunset. The system activates the brakes while passing other vehicle and there is no audible acknowledgemet when the system slow down for a slower vehicle.