Question about 1997 Saturn SL

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Dash controls Next to the shift lever there is a button that says PERF on the top and on the bottom says NORMAL. This car is new to me and would like to know what the purpose of this button is. Any help would be appreciated

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This is the performance button this will increase the power of your car but decrease the mileage of your car , normal button is used give fuel efficient control over car give more mileage..........

Posted on May 28, 2008


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I have a 2009 GMC Acadia. What should the ERS mode be in on a normal basis?

Driver Shift Control (DSC) or Electronic Range Selection (ERS): This position (M-Manual / L-Low) allows the driver to utilize the DSC/ERS system. When the shift selector lever is moved to this position, the driver may select upshifts or downshifts by using the paddle switches located on the steering wheel/shifter. An upshift is requested by pushing either + button. Refer to the vehicle owner's manual for more specific DSC/ERS information.
Driver Shift Control (DSC)/Electronic Range Selection (ERS)
Refer to the owner's manual for specific instructions on DSC. The TCM will override shift commands when maximum engine speed is achieved and will protect from any downshift which may cause excessive engine RPMs.

Electronic Range Select (ERS) Mode
ERS mode allows you to choose the top-gear limit of the transmission and the vehicle's speed while driving down hill or towing a trailer. The vehicle has an electronic shift position indicator within the instrument panel cluster. When using the ERS Mode a number will display next to the L, indicating the current gear that has been selected.
To use this feature:
Move the shift lever to L (Low).
Press the plus/minus button located on the shift lever, to increase or decrease the gear range available.
When you shift from D (Drive) to L (Low), the transmission will shift to a pre-determined lower gear range. The highest gear available for this pre-determined range is displayed next to the L in the DIC. See Driver Information Center (DIC) and DIC Operation and Displays for more information. The number displayed in the DIC is the highest gear that the transmission will be allowed to operate in. This means that all gears below that number are available. For example, when 4 (Fourth) is shown next to the L, 1 (First) through 4 (Fourth) gears are automatically shifted by the vehicle. the transmission will not shift into 5 (Fifth) until the + (Plus) button is used or you shift back into D (Drive).
While in L (Low), the transmission will prevent shifting to a lower gear range if the engine speed is too high. You have a brief period of time to slow the vehicle. If vehicle speed is not reduced within the time allowed, the lower gear range shift will not be completed. You must further slow the vehicle, then press the - (Minus) button to the desired lower gear range.
Automatic Engine Grade braking is not available when the ERS is active. It is available in D (Drive) for both normal and Tow/Haul mode. While using the ERS, cruise control and the tow/haul mode can be used. See Tow/Haul Mode for more information.
© 2017 General Motors Corporation. All rights reserved

Oct 09, 2017 | 2009 GMC Acadia

1 Answer

What does it mean when the PERF SHIFT light comes on the dashboard

some manufacturers put 2 modes in their transmissions . standard and performance . . usually that will be able to be turned on and off with a button on the shift lever .I would contact MYdealer if I were you and see what they can tell you .

Sep 24, 2015 | Cars & Trucks

1 Answer

When i start my 1998 dodge grand caravan my headlights,taillights,dash-lights start blinking off and on . why is this happening?

It is due to the hvac being out of calabration. On the left side of the A\C control panel hold down the top and bottoms buttons with the engine running, high blower, panel, full cold (both levers if so equipped). When the lights on the panel come on solid and then start flashing release buttons. It will take about 2 mins or less for it to calibrate. If only the top left button is flashing you are done. Press that button once or restart van all function should be normal.

Flashing HVAC lights after new battery Car Forums and Automotive Chat

Nov 24, 2014 | 1998 Dodge Grand Caravan

1 Answer

Svs, abs. no trac, and perf shift lights

Trac control and ABS lights come on usually when one of your ABS wheel sensors is either bad and needs replacing or corroded and just may need cleaning. This happened to me. It was my front left abs sensor. they replaced it and al the lights went out and all good now. I also bought an OBDII that plugs into your car and the computer tells the OBDII whats wrong and what sensor it is. You also get the option to erase the codes and put out some or all the lights on your dash. Some times a glitch will light a light on the dash and resetting or erasing it with the OBDII corrects the problem. Hope this helps. God Bless :O)

Feb 25, 2014 | 1998 Buick Regal

1 Answer

Dash guages and headlights dont work

Check the overdrive wire coming out of the bottom of the gear shift lever. My 98 Gr Mar. had a tiny burr in the wire there. You will need to remove the whole gear shift lever cover, the ignition key ( in order to get the top piece off) and the bottom metal plate under the plastic cover on the bottom of the steering column. This is all very simple and quite easy. Just go on line to find how simple it is to remove the key.The wire had a bare spot right near the bottom of the shift lever and all I did was electric tape it up!

Jul 24, 2013 | Cars & Trucks

1 Answer

On my 1998 buick regal GS the perf shift light has turned on what is that?

Should be a button on the side of the shifter - push it and the light would go off.
It is how you change from regular to performance shifting.

Sep 20, 2012 | 1998 Buick Regal

1 Answer

Why won't 2003 pontiac grand prix. shifter come out of park?

Shift - interlock system problem .
Automatic Transmission Shift Lock Control System
The automatic transmission shift lock control system is a safety device that prevents an inadvertent shift out of PARK when the engine is running. The driver must press the brake pedal before moving the shift lever out of PARK position. The system consists of the following components:
• The automatic transmission shift lock control solenoid
• The automatic transmission park lock solenoid
• The automatic transmission shift lock control switch
• The transmission range switch
With the ignition in the ON position, battery voltage is supplied to the automatic transmission shift lock control switch. The circuit continues through the normally-closed switch to the automatic transmission shift lock control solenoid. The transmission range switch provides a path to ground for the automatic transmission shift lock control solenoid in the PARK position. With the automatic transmission shift lock control solenoid energized the shift lever is mechanically locked in the PARK position. When the driver presses the brake pedal, the contacts in the automatic transmission shift lock control switch open, de-energizing the automatic transmission shift lock control solenoid. This allows the shift lever to move from the PARK position. When the shift lever is out of the PARK position the controlled ground contacts in the transmission range switch open. This prevents the automatic transmission shift lock solenoid from energizing when the vehicle is out of the PARK position.

Jul 04, 2017 | Pontiac Grand Prix Cars & Trucks

2 Answers

Car will not shift from park to drive

more than likly the linkage has slipped and is not secure properly any more you should have a local tec, take a look at it .

Jan 05, 2009 | 2005 Mercury Sable

1 Answer

Ect power?

The ECT button stand for Electronically Controlled Transmission. In short, what the button does is change the upshift points for the auto trans. Normally, the 1-2 upshift is at 15-19 mph, pressing the button changes the shift mph form 15-19 to 19-22/23. More often than not, this feature wiooould be used if you are hauling a heay load, and the ECT gets you up to speed faster, via the longer time as mentioned above re the shift mphs. Not very useful with normal driving, it really does not do much without a heavy load.

Sep 18, 2008 | 1991 Toyota Pickup

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