can you damage car turning it off in drive

[Corey]

Yes, you can absolutely damage your car by turning it off while it's still in the "Drive" (D) position. The immediate risk is minor, but the primary danger comes from trying to restart the car while it's still in gear. This can cause significant and expensive stress to the transmission and starting system.

When you turn the key to the "off" position, the engine stops providing power. However, if the gear selector is in "Drive," the transmission remains connected to the wheels. The vehicle might lurch forward or backward a few inches as internal pressures equalize, but it will be held in place by the parking pawl, a small metal pin that engages inside the automatic transmission. This component is not designed to hold a moving vehicle; it's a backup for the parking brake. Placing the entire vehicle's weight on it while in gear can, over time, cause it to wear or even crack.

The most severe damage occurs if you then try to start the car. The starter motor will struggle to turn the engine against the resistance of the entire drivetrain, which is locked because the transmission is in gear. This puts immense strain on the starter motor, battery, and transmission components, potentially leading to premature failure. The correct and safe procedure is to always come to a complete stop, shift the transmission into "Park" (P), and then turn off the engine. Engaging the parking brake first, especially on an incline, further reduces stress on the parking pawl.

Scenario	Potential Damage	Estimated Repair Cost (USD)	Likelihood
Single accidental turn-off in Drive	Minimal to none; parking pawl holds the car.	$0	Very High
Repeatedly turning off in Drive	Premature wear on the transmission's parking pawl.	$500 - $2,500+	Medium
Attempting to restart the car in Drive	Burned-out starter motor, damaged flywheel, battery drain.	$400 - $1,000	High
Vehicle on an incline, turned off in Drive	High stress on parking pawl, risk of failure causing vehicle rollaway.	Cost of damage + liability	Low (but severe)
Modern car with electronic shift-by-wire	Many systems will auto-correct to Park or prevent ignition off if not in P.	$0 (prevented by system)	Varies by manufacturer

[OAlyssa]

I did this once in my old sedan. The car jerked and made a loud "clunk" that scared me. I called my mechanic, and he said I probably stressed the parking gear. Luckily, no lasting damage, but he told me to always double-check it's in Park. It's a simple habit that saves you a huge headache. Now I make sure it's in "P" every single time before I turn the key.

[DeAbigail]

Think of the transmission as a series of connected gears. Turning the car off in "Drive" leaves those gears engaged and under tension. When you shut the engine off, the force of the car's weight settles onto a small, tooth-shaped piece of metal called the parking pawl. It's not meant for that. It's like using a tiny doorstop to hold a truck. Do it repeatedly, and that piece can break, leading to a very expensive transmission repair. Always use "Park."

[FinnFitz]

From a safety standpoint, it's a bad idea. If the car isn't properly in "Park" and the parking brake isn't set, the vehicle could roll away. Even if you think you're on flat ground, a slight slope is enough. The damage to the transmission is one thing, but the real cost could be your car rolling into traffic or down a hill. It only takes a second to shift into "Park" and set the brake. That one second is cheaper than any repair bill or accident.

[RyderLee]

The main issue is the sequence of operations. Modern vehicles are smarter. Many won't even let you remove the key unless it's in Park. But for most cars, the correct order is: 1) Foot on brake to a complete stop. 2) Shift to Neutral. 3) Engage the parking brake firmly. 4) Release the foot brake to let the car settle on the parking brake. 5) Shift to Park. 6) Turn off the engine. This method takes the load off the transmission's parking mechanism, especially on hills, and is the best practice for long-term health.