DS stands for Drive Sport and is a feature available on some cars that are designed to make driving more exciting. It is usually shown around the gear shifter and can be used while you are driving, allowing you to switch to a more aggressive setting.
Sports mode is not for everyone and can be quite unpleasant to drive in, though it does help boost the engine performance of your car, but does it also put extra strain on your fuel economy? In fact, if you use sports mode on a regular basis, it can cause your gas prices to increase significantly.
The DS gear mode will not damage your car in any way, as it only engages when you need to. This means that the Electronic Control Unit (ECU) will be watching your car and will step in if you are putting too much strain on it.
If you have a DS gear mode in your Nissan Altima, it can be engaged while you are driving and cannot hurt your car. This is because this mode is only active when you need it to help boost your speed.
The DS mode is not for everyone. If you are a high-performance driver, it can be fun to get into, but if you don't have the time or inclination to do so regularly, it may be better for your vehicle to stick to the standard drive mode.