Electronic transmission control module If the indicator lamp comes on, there is a malfunction in the transmission system. Bring the vehicle to a stop, select trans-mission position "P," set the parking brake and turn the engine off (ignition key to position 0). Wait a few seconds, then start the engine. If the indicator lamp goes out after a few seconds, normal transmission per-formance has been restored. You may continue to drive as usual. If the indicator lamp does not go out, you can place the selector lever in all positions. However, the vehicle will now only operate in 3rd and 4th gear. If this happens, avoid extreme engine loads and consult the nearest BMW center.