
Here are the specific reasons why the Baojun one-button start car fails to ignite: 1. Steering wheel locked: The steering wheel lock is an anti-theft feature. After the car is turned off, if the steering wheel is rotated from the centered position to a certain angle in one direction, the steering wheel will lock. In the locked state, the one-button start function will not work. You need to turn the steering wheel left and right while pressing the engine one-button start button to release the tension and unlock the steering wheel. 2. key battery dead: When the vehicle's smart key battery is dead, the key's transmission power is low, making it difficult for the sensors inside the car to detect it. In this case, the one-button start cannot complete the ignition.

I encountered this issue last time and it was quite urgent. If the one-button start doesn't respond, first check if the key has enough power. Sometimes it can't be detected if left in the pocket for too long—try pressing the key against the start button. If the gear is stuck in D and doesn't return to P, it can also lock the start function, so checking the gear position is crucial. The most common issue is an aging battery, especially in cars that are two or three years old—upon starting, you might only hear a clicking sound or notice the dashboard dimming. Occasionally, it's due to poor contact in the brake sensor, where a light press isn't detected. Additionally, short circuits from damp wiring during rainy days can also cause erratic behavior. Remember to keep an emergency power source in the car. If all else fails, open the hood and check if the corresponding fuse for the start function in the fuse box has blown. Avoid repeatedly forcing the start to prevent battery damage—calling for roadside assistance is the most hassle-free solution.

After several years of using Baojun, my summarized experience is: For starting failures, first check the key system. Weak key affects signal transmission—try using the physical key to open the door and then start the car. Next is the battery issue, especially during winter and summer when voltage fluctuates. Borrow a voltmeter; if it reads below 12V, it’s time for a replacement. Parking with wheels against the curb can lock the steering column and jam the starting procedure—just gently turn the steering wheel left or right to release it. Veteran owners remind us to pay attention to the fuel pump sound—if you don’t hear a humming noise during ignition, it might indicate a fuel system fault. Actually, developing the habit of straightening the steering wheel before shifting to P can prevent many issues. 4S shops offer free fault code detection, which is more accurate than small repair shops.

Last time at the 4S shop, the technician handled this kind of failure quite simply: mainly five possibilities. First, the terminals were oxidized with poor contact, so the copper pieces were removed and polished. Second, the receiving module behind the start button got dusty, so the contacts were wiped with alcohol swabs. Third, the rubber pad of the brake switch aged, causing the brake signal not to be transmitted, and it was solved by spending thirty bucks to replace the part. Fourth, the spring of the gear locking mechanism failed, and the transmission didn't truly return to position when in P gear. Finally, the electronic control unit froze, so the system was reset by disconnecting the power for five minutes. If you smell gasoline, it might be a faulty pressure relief valve. Have the technician check these items during routine maintenance, and you can basically prevent problems before they occur.

When my Baojun had this issue, I handled it this way: First, try if the remote key can unlock the car. If not, it's likely the key is dead. Then, press the brake pedal firmly to see if the dashboard warning lights go off. If there's no brake signal displayed, focus on checking the brake sensor. Steering wheel lock is the most common situation; gently turn the steering wheel with your left hand while pressing the start button with your right hand. During a jump-start, I found that a loose negative ground wire can also cause a false electrical connection, so make sure to tighten the wire terminals. The mechanic mentioned that if the installed dashcam is connected to constant power, it can quietly drain the battery, so it's recommended to switch to the ACC line. Actually, it's best to check the insulation of the wiring before the rainy season. I've seen cases where mice chewed through the starter wires.

From the forum, fellow car owners have provided quite comprehensive analysis on the causes: For the power system, the starting voltage should be tested - if it's below 9.6V, it won't work. Regarding the control system, remember to check the fault codes in mode, as sometimes the engine immobilizer may be falsely triggered, blocking signals. For the mechanical part, pay attention to the wear of the starter motor's carbon brushes; continuous clicking sounds during ignition indicate this issue. In terms of the fuel system, fuel pump pressure loss or clogged injectors can also affect starting. Older cars especially should watch out for oxidation on engine wiring harness connectors - cleaning the green rust off the ECU interface fixed mine. Recently, it was also discovered that a faulty microswitch under the gear lever base can cause the system to misjudge the gear position; replacing this small part costs just a few dozen yuan.


