Dbs...

[woodsfortysix]

I know the Genesis is a very complex auto. Has anyone had problems with dead battery syndrome (DBS)?

During the somewhat protracted purchasing process, I experienced two different Genesis sedans with a dead battery at the dealership. They were jump started, and everything was fine.

My car is about 6 weeks old, driven last Monday, and now on Sunday morning, the battery is dead. In the garage, so even though the weather is extremely cold outside, that is not an issue.

Having seen three occurrences, just wonder if this is a problem with the car, or just a batch of bad batteries?

Experiences....?

 

[dond13]

I've had my 4.6 for almost a year and it started out with a battery problem. First, it wouldn't start and when it was towed in, they replaced the battery after a couple of days of testing. About 2-3 weeks later, it wouldn't start again and I charged the battery myself and drove it in.

They had it almost a week and found that a rubber bumper on the underside of the hood was missing. It is on the drivers side and it depresses a switch when the hood is closed. The switch is related to the alarm system in some way and when the circuit wasn't closed, it assumed that the hood was open and that caused the problem. I don't know all the details, but when they replaced the bumper, everything has been fine since.

 

[sandy]

I know the Genesis is a very complex auto. Has anyone had problems with dead battery syndrome (DBS)?

During the somewhat protracted purchasing process, I experienced two different Genesis sedans with a dead battery at the dealership. They were jump started, and everything was fine.

My car is about 6 weeks old, driven last Monday, and now on Sunday morning, the battery is dead. In the garage, so even though the weather is extremely cold outside, that is not an issue.

Having seen three occurrences, just wonder if this is a problem with the car, or just a batch of bad batteries?

Experiences....?

When I was car shopping, I was amazed at the number of cars on the showroom floor (regardless of brand) with dead batteries. I assumed it was a result of non-use (so no battery-charging) while customers were constanly operating the power seat controls, etc

In your case, the battery shouldn't have died....it should be able to hold a charge from last Monday, despite the cold weather. Your dealer should be able to test it and determine if it is faulty.

 

[ctrcbob]

I've had my 4.6 for almost a year and it started out with a battery problem. First, it wouldn't start and when it was towed in, they replaced the battery after a couple of days of testing. About 2-3 weeks later, it wouldn't start again and I charged the battery myself and drove it in.

They had it almost a week and found that a rubber bumper on the underside of the hood was missing. It is on the drivers side and it depresses a switch when the hood is closed. The switch is related to the alarm system in some way and when the circuit wasn't closed, it assumed that the hood was open and that caused the problem. I don't know all the details, but when they replaced the bumper, everything has been fine since.

Even though I had seen the rubber bumper on the hood, and the switch that is activated by it on the fender well, I never fooled around with it because I figured it had some function, so I never removed it.

 

[ctrcbob]

When I was car shopping, I was amazed at the number of cars on the showroom floor (regardless of brand) with dead batteries. I assumed it was a result of non-use (so no battery-charging) while customers were constanly operating the power seat controls, etc

In your case, the battery shouldn't have died....it should be able to hold a charge from last Monday, despite the cold weather. Your dealer should be able to test it and determine if it is faulty.

1. When a car sits outside (or in the showroom) for a long time, it is easy for the battery to die from no use.

2. Often in the showroom, the dealer will disconnect the battery, just so the battery will not run down. However, modern cars need to have their Engine Control Unit and their Transmission Control Unit re-programmed once the battery is re-connected. Some ECU's and TCU's will "re-learn" as you drive a few days, and others need to be flashed by the dealer. If memory servers me correct, (and I could be wrong) I think I read somewhere in the Genesis Owners Manual, that when changing the battery (or if battery is dead), the dealer must re-flash the computers. Like I said, I could be wrong.

Lastly, if anyone wants to change their battery, make sure that you have a seperate battery connected to the cables, when you remove the old battery and install the new battery. This is the way Advance Auto and AutoZone do it when they change a battery.

The small device that you can plug into your power point (cigarette lighter) that holds a 9 volt battery, will not work on the Genesis, because the power point, both in the dash, and in the center consul is switched off when the engine is off. Most American cars keeps the power points switched on when the engine is off, so the 9 volt device will work on those cars. Just for your information. If you ever do use the 9 volt device on an American car when changing batteries, before you shut engine off, (or if engine is already off), turn OFF everything that runs on the battery. Radio, heater, Key off, everything. The only draw you want from that 9 Volt battery is to keep the memory in the cars computers, and that is just for a very short time.

 

[dataguy]

Another possibility is that if it's a dealer who keeps the fob/keys in a window lockbox during the day, it seems that having the smart key in proximity of the car does a pre-start of the computer, which has been known to run down the battery.

 

[woodsfortysix]

Hyundai Roadside Assistance was quit helpful and responsive. Yes, it is subcontracted, but at least for something simple like a jump start, they were very effective.

Ran the car for about 30 minutes, able to restart - will be interesting to see what happens tomorrow and what the dealer finds out.

Thanks for all the recommendations and shared experiences - will be helpful.

 

[woodsfortysix]

It appears that the problem was the battery. Tested electrical systems and everything checked okay. Battery was low - put a trickle charge on for two hours - still low - replaced battery.

Hopefully this will take care of the problem...

Thanks again for the comments.