Actually you should leave it off all the time in the city. The only time it should be on is when travelling over 80km/h, or 50 MPH, otherwise the ecu will gear you too high, and the rpm's will be super low, thus making your acceleration response worse, and putting more strain on the transmission.
<hr width=60% noshade size=1 align=left>2000 Red Tiburon SE /w Leather
17" TSW VX-1's /w Toyo Proxes FZ4
Custom CAI, Vibrant Exhaust, Underdrive Pulley
12" Kicker Competitions, Cobalt amps, MTX powered x-over, phoenix gold cap, clarion cd
<hr width=60% noshade size=1 align=left>2000 Red Tiburon SE /w Leather
17" TSW VX-1's /w Toyo Proxes FZ4
Custom CAI, Vibrant Exhaust, Underdrive Pulley
12" Kicker Competitions, Cobalt amps, MTX powered x-over, phoenix gold cap, clarion cd