Crown

Board: Porsche - Cayenne Language: English Region: Worldwide Share/Save/Bookmark Close

Forum - Thread


    CTT Winter Driving

    This will be my first full winter driving my 2004 CTT and last weekend a short cut home through the mountains caught us by surprise with a snowstorm and over 30 - 40cm of snow around the Gstaad region here in Switzerland and the main through roads were not yet cleared.. I already have snow tyres fitted (Pirelli Scorpion Ice + Snow N0) in pretty good condition and played with different control set ups to try and get the most traction on deep fresh snow up and down hills but was unsure what the best settings are, and consequently we had a couple of minor but scary rear and front end slides - I've since studied the handbook but cannot find anything specific on winter (snow/ice) driving - so can anyone offer some advice? I'm currently thinking that in snow/ icy conditions it's best to:
    - leave PSM on - although the handbook states 'it can be of advantage to switch off PSM temporarily in exceptional situations;- e.g. on a loose surface or deep snow'
    - Switch to manual gear change and keep in high gear to prevent wheels spinning (probably best to use steering wheel gear change rockers to keep hands on wheel)
    - Any advantages to changing the power transmission - Lower range?
    - leave the air suspension in normal height position - only lift higher for clearance as higher means higher centre of gravity and more tendency to slide in corners?
    - any other tips? I don't want to have to carry snow chains but will if that's the only option.. Just want to make sure I'm getting the most out of our CTT as we plan to use it a lot through to Spring
    Cheers
    A

    Re: CTT Winter Driving

    I think your CTT is optimally equipped for any snow driving. The huge horsepower that we have is a disadvantage. We should learn to gas and brake gently. In my limited snow driving experience, I found that gentle or no gas and no brake into a turn worked the best. Just let the car rolls neutrally through the turns. Happy Motoring.

    Re: CTT Winter Driving

    Remember that you are driving a 500bhp car..heavy and high up...so you can't speed on like hell on the snow.
    Gentle throttle, gentle brake, higher gears than needed on at low speeds and things like these can help a lot.

    Have a nice driving.

    BTW...i have experienced a very heavy snow on an alp pass last year with my Turbo and it was ok so i think with your CTT should be great

    Re: CTT Winter Driving

    thanks for the suggestions. I am starting to wonder if the tyres are in good shape, I am going for my 60K service soon so it will be good to get the whole car cheked over for the first time independently (I bought 2nd hand and not from a Porsche delearship). At the same time I'll ask them for some winter driving tips.

    Re: CTT Winter Driving

    Is this mandatory to switch to snow tires when driving a Cayenne in snowy conditions?

    Sorry for the stupid question, since it doesn't snow where I live.

    Re: CTT Winter Driving

    Quote:
    CityRacer said:
    Is this mandatory to switch to snow tires when driving a Cayenne in snowy conditions?

    Sorry for the stupid question, since it doesn't snow where I live.



    Only if you ever need to stop or turn.

    Re: CTT Winter Driving

    I can only speak for Switzerland and Germany as I have lived in both for a few years (may have changed in Germany) where it is mandatory to have winter tires on your vehicle on some mountain roads dependent on conditions and announcements made on radio and TV. The police sometimes have a spot check and turn cars away from the roads if they don't have winter tires and also if they are not in good i.e. legal condition.. Even if you venture into the mountains with summer tires when the conditions are bad (ice/snow) and have an accident then your insurance company may well contest any claim you make..
    For city driving here in winter you may also find you have problems making claims to your insurance company if you have an accident and you still have your summer tires fitted..
    Generally though it is quite common practice for Swiss car owners to have a spare set of winter tires, or as I do- just keep the winter tires on year-round (I only occasionally use the CTT in summer). That way it is less hassle and worry, plus the extra grip in cold snowy conditions is quite remarkable IMHO.
    HTH
    A

    Re: CTT Winter Driving

    In new snow, its best to turn PSM off as it will attempt to take power off wheels it detects are slipping when in actuall fact you want the wheels to spin to keep you going, its similar in sand forward motion is the most important. The cars stability programme will still kick in if it thinks your over-cooking it.

    A good way to test is to get onto an icy street (with no trafficor parked cars) and do a straight line full power start, it will suprise you.

    Re: CTT Winter Driving

    Thanks Mick - I'll have to try that one. I guess it is particularly useful if you are going uphill..

    Re: CTT Winter Driving

    If you get a lot of snow in winter you might want to consider some "proper" winter tires like Nokian, winter tires with a vmax rating of more than 200 kph are not really suited to very slippery surfaces.

    Here in Norway SUVs are now topping the accident statistics in winter, especially expensive SUVs like X5, Cayenne have a tendency to end up in the ditch on their way to the trendy wintersports places in Norway

    And not even proper winter tires are enough, it is recommended that you use studded winter tires on SUVs on Norway. With more than 2 tons to haul around, studless tires simply can't provide enough grip, several Cayenne owners have started on studless winter tires only to return to the Porsche dealer a few weeks later to fit studded tires

    Re: CTT Winter Driving

    Quote:
    temm said:
    "proper" winter tires like Nokian



    They are the best for Cayenne in snowy conditions.

    Re: CTT Winter Driving

    I just put the Nokian Hakkapelitta Sport Utility 5 in 275/40-20 on a Cayenne Power Kit Turbo and it's been transformed from stumbling and grappling like a toddler on a polished wood floor to sure-footed mountain goat snowmobile.

    Well worth the effort -- it all comes down to the tires.

    Re: CTT Winter Driving

    thanks for your sound advice advice and recommendations everyone. Since this original scary incident I haven't been caught out in similar conditions again (famous last words!) and in general the amount of snow which we get locally doesn't justify studded tyres (which I think are illegal in Switzerland anyway) and changing my current winter tyres, so instead I think the way to go might be simply to carry some snow chains during winter for those 'just in case' scenarios..

    Re: CTT Winter Driving

    Quote:
    2chavs said:
    ...and in general the amount of snow which we get locally doesn't justify studded tyres (which I think are illegal in Switzerland anyway)...


    Studded tyres are not illegal in Switzerland. It's just prohibited to drive over 80km/h with them.

     
    Edit

    Forum

    Board Subject Last post Rating Views Replies
    Porsche Sticky The moment I've been waiting for... 5/18/22 6:36 PM
    Pilot
     
     
     
     
     
    572950 1306
    Porsche Sticky OFFICIAL: New Porsche 911 Turbo S (2020) 4/23/22 1:43 PM
    Rossi
    222162 1179
    Porsche Sticky SUN'S LAST RUN TO WILSON, WY - 991 C2S CAB LIFE, END OF AN ERA (Part II) 5/22/22 5:17 PM
    nberry
    111763 978
    Porsche Sticky Welcome to Rennteam: Cars and Coffee... (photos) 4/1/22 7:14 AM
    Boxster Coupe GTS
    108066 405
    Porsche Sticky Porsche Taycan Turbo S - Short Review 1/3/22 7:55 AM
    Rossi
    89295 531
    Porsche Sticky OFFICIAL: Cayman GT4 RS (2021) 1/15/22 10:41 PM
    watt
    31407 1
    Porsche Cayman GT4 10/5/21 7:04 PM
    Topspeed
    511748 3587
    Porsche OFFICIAL: 911 GT2 RS (2017) 9/28/21 3:25 AM
    WhoopsyM
    427200 3507
    McLaren McLaren on a winning streak 2/1/22 10:14 PM
    SSO.
    424087 3954
    Porsche OFFICIAL: 991.2 GT3 RS (2018) 11/17/21 5:18 PM
    Rossi
    387736 3256
    Porsche OFFICIAL: 911 R (2016) 2/1/22 9:49 AM
    RCA
    364588 2655
    Porsche 992 GT3 5/22/22 8:11 PM
    Pilot
    347272 3544
    Porsche OFFICIAL: The new Porsche 992 – a design icon and high-tech sports car 9/29/21 1:59 AM
    watt
    289386 1587
    Porsche Donor vehicle for Singer Vehicle Design 2/10/22 9:08 PM
    Topspeed
    137450 772
    Porsche Welcome to the new Taycan Forum! 4/25/22 7:26 PM
    bluelines
    134648 1388
    McLaren F1 7/10/21 7:43 AM
    BiTurbo
    110721 209
    AMG AMG GT R 3/13/22 8:52 PM
    spudgun
    109694 834
    Lambo Aventador and SV 5/20/22 5:24 PM
    Topspeed
    107470 710
    Others Tesla 2 the new thread 5/19/22 5:11 PM
    Leawood911
    92529 1644
    Porsche GT4RS 5/20/22 8:12 AM
    d997h
    83702 938
    Motor Sp. [2021] Formula 1 4/19/22 10:08 PM
    Leawood911
    75820 1590
    Others Bugatti Chiron 4/12/22 9:24 PM
    blueflame
    74759 520
    Ferrari Ferrari 812 Superfast 12/15/21 8:04 PM
    Topspeed
    70145 533
    BMW M BMW M2 Rumors 2/28/22 7:42 PM
    Topspeed
    61624 409
    Porsche Red Nipples 991.2 GT3 Touring on tour 4/4/22 7:10 AM
    GnilM
    54504 472
    Porsche Dave and Gnil @ Nürburgring Nordschleife 5/19/22 11:01 PM
    Grant
    53945 721
    Lambo Urus (SUV) 7/21/21 6:22 PM
    Topspeed
    53931 592
    Others Corvette C8 11/8/21 8:04 PM
    Topspeed
    49802 442
    Others Toyota Yaris GR 4/13/22 8:33 PM
    Grant
    26512 640
    AMG AMG plotting new SLR with hybrid power for 2018 launch 2/22/22 2:34 PM
    Topspeed
    24150 275
    225 items found, displaying 1 to 30.