
The remote start method for the Buick LaCrosse is: 1. Press the lock button once; 2. Press and hold the start button for three seconds. Taking the 2021 Buick LaCrosse as an example, it is a mid-size car with body dimensions of: length 5026mm, width 1866mm, height 1459mm, wheelbase 2905mm, fuel tank capacity 55l, and curb weight 1535kg. The 2021 Buick LaCrosse is equipped with a 1.5l turbocharged engine, with a maximum horsepower of 169ps, maximum power of 124kw, maximum torque of 250nm, and is paired with a 9-speed automatic manual transmission.

The remote start feature on my Buick LaCrosse is incredibly convenient, especially for warming up the car in winter. Here's how it works: First, use the key or smart key to press the lock button to secure all doors. Immediately after locking, press the remote start button on the key—the one with the circular arrow icon—twice, holding each press for about half a second. The car will then start the engine, and the dashboard lights will illuminate to indicate success. After starting, the doors remain locked, so you'll need to use the key to unlock them when you approach the car. The key's range is effective within about 50 meters; beyond that, the signal won't reach. Don't forget about the mobile app, like the official Buick app. If you download and install it and link it to your vehicle, you can use your phone to start the car remotely from anywhere, which is super handy. I use this feature even in sub-zero temperatures, starting the car five minutes ahead of time so it's warm when I get in, saving both time and hassle.

I've tried the remote start system on the Buick LaCrosse. First, make sure the doors are locked. Press the lock button on the key fob, wait a second or two, then immediately press the remote start button twice – that's usually the small circular arrow key. The engine will start up, and the dashboard lights will flash to confirm. The range is limited to the key fob's signal coverage, about 30-50 meters, and avoid using it in enclosed garages for safety reasons. Mobile apps like OnStar or the Buick app also work; just connect via Wi-Fi or mobile data to the vehicle's system, enter the password, and you can start the engine. Once started, the system automatically runs for 10 minutes and shuts off if no one enters the car, saving fuel and deterring theft – pretty smart.

When I drive my Buick LaCrosse, I often use the remote start: first press the lock button on the key, then quickly press the arrow start button twice, and the car will start. The start button is located on the front of the key. After pressing it, the car will beep once and flash its lights. After a successful start, the doors remain locked, and you can unlock them by approaching the car. The mobile app also supports this feature—just download the Buick app to operate it, which is simple and straightforward.


