TALLADEGA, Ala. -- Greg Biffle would like to see a change made in the current Sprint Cup Series car.

And he does mean "see" -- literally. He said that one of his worries heading into Sunday's Aaron's 499 at Talladega Superspeedway is the lack of ability to see into the cockpit of the car directly in front of him.

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The one thing they say at the driver's meeting, 'If you're coming to pit road ... Wave the guy off.' Well, they can leave that out of the speech because we can't see.

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GREG BIFFLE

"One thing I wish they would do -- we've asked them to do it over and over and they're not hearing us -- is to make some kind of clear wicker on the back of the wing so that we can see inside the car in front of us," Biffle said. "We had Nationwide practice here [Thursday], and a bunch of times I saw the guy's hand up waving in the window. Guys are checking up, and when you see that it's easy getting out of the gas.

"These [Cup] cars, you can't see inside the cars; you can't see the guy in front of you."

Biffle said that in his opinion the lack of vision is likely to contribute to a big wreck before Sunday's event is over.

"The one thing they say at the driver's meeting every week, 'If you're coming to pit road, make sure you wave your hand. Wave the guy off.' Well, they can leave that out of the speech because we can't see," Biffle said. "We cannot see their hand. So when guys get bottled up, that's how a big wreck happens. Guys get bottled up a little bit, and then all of a sudden it's a chain reaction."

Not everyone agrees with Biffle. Drivers Kyle Busch and Denny Hamlin both said the lack of vision through the rear wing, which was added to the Cup car just last year, is not that big of a deal -- even though they agreed that it not only affects a driver's vision of what is in front of him, but also to a certain degree what is behind him when looking in the mirror.

"That's where a good spotter comes into play," Busch said. "Being able to tell you what is happening in the back of the pack or a few cars back, and what line has the run coming and what's going on, that's important. With all of that happening and with the [limited] visibility because of the wing, it's just something that everybody fights. But there are some who are pretty good at still being able to figure out what's going on."

Asked if he was concerned about it, Hamlin shrugged and added: "Not really, because even in the Nationwide car, I couldn't see past one car in front of me. I was really concerned with it when we first came here with these cars [last year], but now I think everyone has gotten used to it and realized there are different ways of looking around the car in front of you."

Two-time defending champion Jimmie Johnson agreed with Biffle that the wing causes problems, but he said he isn't sure it can be fixed. He said that he questions whether some sort of clear wicker "bill" is going to make any difference.

"I don't think that wicker bill is going to make any difference at all," Johnson said. "There are a couple of things. One, the angle of the back glass is set in a way where it reflects a lot of light and you can't see in the car in front of you. It's almost as if there is a mirror of some sort there.

"So the wing does pose a problem, but that quarter-inch or half-inch of wicker isn't going to make things better. The other part is, waving out of the side of the car. The greenhouse on the vehicle is so large that you can't see around the seatposts of the car in front of you to see where the window net is -- because the window net is in-board. And you can't see a guy's fingers or his hand or whatever. There is very little room to reach out.

"It's a problem and it's the same for all of us. We just have to be very smart with the spotters and how the spotters communicate to each other up there, to let them know when somebody is going to pit."

Officials from NASCAR said that they have been working on improvements.

"The teams have done a pretty good job of working through this by shifting around their rearview mirror angles," spokesman Kerry Tharp said. "And we've looked at various materials for the wing that could possibly help alleviate the situation some."

Biffle, however, insisted that it could be -- and should be -- better. He also said that the lack of ability to see in the cockpit of the car in front of him contributed to an accident he was involved in at Talladega last fall.

"It happened to me here. I got spun out. I got shoved into the back of Carl [Edwards] coming off Turn 4," Biffle said. "It's was a simple little deal. Nobody got damaged, thank goodness. But it was a fact that I couldn't see him slowing up, or I couldn't see him waving his hand or anything else.

"They've made the promise to us for 12 months that they were going to work on it. And I don't see it on the car yet."