Why does the Cadillac's central control screen remain powered after the engine is turned off?

[SanJudah]

Cadillac's central control screen remaining powered after the engine is turned off may be due to the inability to recognize the P gear. Since 1919, for over 100 years, Cadillac has been customizing large luxury sedans and special models for numerous U.S. presidents, diplomats, ambassadors, and foreign dignitaries. This tradition, representing the brand's glory, has always been a hallmark symbol of Cadillac and continues to this day. It is also the source of the proud heritage of the 107-year-old Cadillac brand. Below is an introduction to the Cadillac CT6: Exterior: The new American flagship sedan CT6 inherits the design concept of the Cadillac concept car ESCALA, offering a choice between a luxury version and a sport version. The luxury version's grille is inspired by Cadillac's classic shield emblem, while the sport version's grille features Cadillac's classic V-shape. Both versions reproduce the classic with a simple and clean design language. Powertrain: The Cadillac CT6 will continue to be equipped with a 2.0T inline four-cylinder engine with cylinder deactivation technology, delivering a maximum power of 241 horsepower and a peak torque of 350 Nm. The transmission system will also continue to be paired with a 10AT gearbox.

[DeElle]

Over a decade of driving Cadillacs has taught me that the infotainment screen staying on after turning off the engine is quite common. It's often caused by the ignition switch not fully shutting off or aging relays getting stuck. Perhaps there's a bug in the vehicle's power management system, or the delayed shutdown feature in system settings wasn't turned off. It could also be due to loose wiring connections or short circuits causing erroneous power supply. I remember encountering this once after a system software update - a simple system restart fixed it. I recommend checking your user manual to disable unnecessary keep-alive power modes in the settings. If that doesn't work, try disconnecting the negative battery terminal for a few minutes then reconnecting. Leaving this issue unresolved will drain your battery and affect starting performance, so it's crucial to have it professionally diagnosed at an auto repair shop as soon as possible.

[VivienneFitz]

I just encountered this issue shortly after driving my Cadillac - the screen stays annoyingly bright after parking and turning off the engine! A friend suggested it might be a settings problem, like the sleep mode in the infotainment system being disabled, or a relay failure causing delayed power cutoff. I followed online tutorials to disable all delay options in the menu, which solved the problem. If that's not the cause, it could be due to a circuit short or the system not properly receiving the ignition-off signal, triggering an error. I recommend checking your manual or trying a manual shutdown first. Don't delay addressing this to avoid startup failure next time - quickly schedule a visit to the 4S dealership for peace of mind.

[AlessandraLee]

From a repair perspective, a Cadillac's screen remaining powered after engine shutdown is often caused by a faulty power control module or failed ignition-related relays; software errors can also prevent the system from entering sleep mode. During inspection, it's recommended to first reset the vehicle system; if disabling the delayed shutdown function in settings proves ineffective, test circuit voltage for abnormalities; visiting a professional shop for component replacement can permanently resolve the issue and prevent battery drain.

[VonStephen]

In my daily car use, it's really annoying when the Cadillac's screen doesn't turn off after parking and shutting down! Mostly caused by incorrect center console settings activating delay mode, or damaged relays keeping the power on; older models may suffer from aged wiring causing short circuits. I've adjusted the screen sleep time to fix this; if that doesn't work, disconnect and reconnect the battery to reset the system; don't hesitate to get it repaired quickly to avoid the risk of battery drain.

[DelJaxson]

As a car enthusiast, I've tinkered with quite a few Cadillacs. The infotainment system not turning off after engine shutdown is usually caused by poor ignition switch contact, damaged power module, or enabled continuous power supply in system settings. Try modifying the settings to check if the sleep function is activated; replace the relay if simple wiring inspection proves ineffective. Avoid DIY on complex circuits—quickly seek professional technicians to prevent battery depletion and vehicle damage.