Acura 2009 TL Owner's Manual page 527

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Vehicle Stability Assist (VSA ), aka Electronic Stability Control (ESC), System
If the low tire pressure/TPMS
indicator comes on (see page
or the multi-information display
shows a ''CHECK TPMS SYSTEM''
message with the indicator flashing
(see page 529 ), the VSA system
automatically turns on even if the
VSA system is turned off with the
VSA OFF switch. In this case, you
cannot turn the VSA system off by
pressing the VSA OFF switch again.
Without VSA, your vehicle will have
normal braking and cornering ability,
but it will not have VSA traction and
stability enhancement.
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Table Of Contents
VSA OFF Switch
),
526
VSA OFF SWITCH
This switch is under the driver's side
vent. To turn the VSA system on and
off, press and hold it until you hear a
beep.
When VSA is off, the VSA activation
indicator comes on as a reminder.
Press and hold the switch again. It
turns the system back on.
2009 TL
VSA is turned on every time you
start the engine, even if you turned it
off the last time you drove the
vehicle.
In certain unusual conditions when
your vehicle gets stuck in shallow
mud or fresh snow, it may be easier
to free it with the VSA temporarily
switched off. When the VSA system
is off, the traction control system is
also off. You should only attempt to
free your vehicle with the VSA off if
you are not able to free it when the
VSA is on.
Immediately after freeing your
vehicle, be sure to switch the VSA on
again. We do not recommend driving
your vehicle with the VSA and
traction control systems switched off.